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OpenMetadata/docs/openmetadata-apis/schemas/entities/table.md
sureshms 8ce7c879e8 OpenMetadata snapshot release 0.3
2021-08-01 14:27:44 -07:00

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# Table Entity
## table
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json
```
Schema corresponding to a table that belongs to a database
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | Yes | Unknown status | No | Forbidden | Allowed | none | [table.json](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### Table entity Type
`object` \([Table entity](table.md)\)
## Table entity Properties
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
| [id](table.md#id) | `string` | Optional | cannot be null | [Common type](../types/common.md#common-definitions-uuid) |
| [name](table.md#name) | `string` | Required | cannot be null | [Table entity](table.md#table-properties-name) |
| [description](table.md#description) | `string` | Optional | cannot be null | [Table entity](table.md#table-properties-description) |
| [href](table.md#href) | `string` | Optional | cannot be null | [Common type](../types/common.md#common-definitions-href) |
| [tableType](table.md#tabletype) | `string` | Optional | cannot be null | [Table entity](table.md#table-properties-tabletype) |
| [fullyQualifiedName](table.md#fullyqualifiedname) | `string` | Optional | cannot be null | [Table entity](table.md#table-properties-fullyqualifiedname) |
| [columns](table.md#columns) | `array` | Required | cannot be null | [Table entity](table.md#table-properties-columns) |
| [tableConstraints](table.md#tableconstraints) | `array` | Optional | cannot be null | [Table entity](table.md#table-properties-tableconstraints) |
| [usageSummary](table.md#usagesummary) | `object` | Optional | cannot be null | [Common type](../types/common.md#common-definitions-usagedetails) |
| [owner](table.md#owner) | `object` | Optional | cannot be null | [Common type](../types/common.md#common-definitions-entityreference) |
| [followers](table.md#followers) | `array` | Optional | cannot be null | [Common type](../types/common.md#common-definitions-entityreferencelist) |
| [database](table.md#database) | `object` | Optional | cannot be null | [Common type](../types/common.md#common-definitions-entityreference) |
| [tags](table.md#tags) | `array` | Optional | cannot be null | [Table entity](table.md#table-properties-tags) |
| [joins](table.md#joins) | `object` | Optional | cannot be null | [Table entity](table.md#table-definitions-tablejoins) |
| [sampleData](table.md#sampledata) | `object` | Optional | cannot be null | [Table entity](table.md#table-definitions-tabledata) |
### id
Unique id used to identify an entity
`id`
* is optional
* Type: `string`
* cannot be null
* defined in: [Common type](../types/common.md#common-definitions-uuid)
#### id Type
`string`
#### id Constraints
**UUID**: the string must be a UUID, according to [RFC 4122](https://tools.ietf.org/html/rfc4122)
### name
Local name \(not fully qualified name\) of the table
`name`
* is required
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-properties-name)
#### name Type
`string`
#### name Constraints
**maximum length**: the maximum number of characters for this string is: `64`
**minimum length**: the minimum number of characters for this string is: `1`
**pattern**: the string must match the following regular expression:
```text
^[^.]*$
```
[try pattern](https://regexr.com/?expression=%5E%5B%5E.%5D*%24)
### description
Description of the table
`description`
* is optional
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-properties-description)
#### description Type
`string`
### href
Link to this table resource
> Link to the resource
`href`
* is optional
* Type: `string`
* cannot be null
* defined in: [Common type](../types/common.md#common-definitions-href)
#### href Type
`string`
#### href Constraints
**URI**: the string must be a URI, according to [RFC 3986](https://tools.ietf.org/html/rfc3986)
### tableType
Type for capturing a column in a table
`tableType`
* is optional
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-properties-tabletype)
#### tableType Type
`string`
#### tableType Constraints
**enum**: the value of this property must be equal to one of the following values:
| Value | Explanation |
| :--- | :--- |
| `"REGULAR"` | |
| `"EXTERNAL"` | |
| `"VIEW"` | |
| `"SECURE_VIEW"` | |
| `"MATERIALIZED_VIEW"` | |
### fullyQualifiedName
Fully qualified name of the table in the form serviceName.databaseName.tableName
`fullyQualifiedName`
* is optional
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-properties-fullyqualifiedname)
#### fullyQualifiedName Type
`string`
### columns
Columns in the table
`columns`
* is required
* Type: `object[]` \([Details](../types/common.md#table-definitions-column)\)
* cannot be null
* defined in: [Table entity](table.md#table-properties-columns)
#### columns Type
`object[]` \([Details](../types/common.md#table-definitions-column)\)
### tableConstraints
Table constraints
`tableConstraints`
* is optional
* Type: `object[]` \([Details](table.md#table-definitions-tableconstraint)\)
* cannot be null
* defined in: [Table entity](table.md#table-properties-tableconstraints)
#### tableConstraints Type
`object[]` \([Details](table.md#table-definitions-tableconstraint)\)
### usageSummary
Latest usage information for this table
> Type used to return usage details
`usageSummary`
* is optional
* Type: `object` \([Details](../types/common.md#common-definitions-usagedetails)\)
* cannot be null
* defined in: [Common type](../types/common.md#common-definitions-usagedetails)
#### usageSummary Type
`object` \([Details](../types/common.md#common-definitions-usagedetails)\)
### owner
Owner of this table
> Entity reference that includes entity ID and entity type
`owner`
* is optional
* Type: `object` \([Details](../types/common.md#common-definitions-entityreference)\)
* cannot be null
* defined in: [Common type](../types/common.md#common-definitions-entityreference)
#### owner Type
`object` \([Details](../types/common.md#common-definitions-entityreference)\)
### followers
Followers of this table
`followers`
* is optional
* Type: `object[]` \([Details](../types/common.md#common-definitions-entityreference)\)
* cannot be null
* defined in: [Common type](../types/common.md#common-definitions-entityreferencelist)
#### followers Type
`object[]` \([Details](../types/common.md#common-definitions-entityreference)\)
### database
Reference to Database that contains this table
> Entity reference that includes entity ID and entity type
`database`
* is optional
* Type: `object` \([Details](../types/common.md#common-definitions-entityreference)\)
* cannot be null
* defined in: [Common type](../types/common.md#common-definitions-entityreference)
#### database Type
`object` \([Details](../types/common.md#common-definitions-entityreference)\)
### tags
Tags for this table
`tags`
* is optional
* Type: `object[]` \([Details](../types/common.md#common-definitions-taglabel)\)
* cannot be null
* defined in: [Table entity](table.md#table-properties-tags)
#### tags Type
`object[]` \([Details](../types/common.md#common-definitions-taglabel)\)
### joins
Details of other tables this table is frequently joined with
`joins`
* is optional
* Type: `object` \([Details](table.md#table-definitions-tablejoins)\)
* cannot be null
* defined in: [Table entity](table.md#table-definitions-tablejoins)
#### joins Type
`object` \([Details](table.md#table-definitions-tablejoins)\)
### sampleData
Information on other tables that this table column is frequently joined with
`sampleData`
* is optional
* Type: `object` \([Details](table.md#table-definitions-tabledata)\)
* cannot be null
* defined in: [Table entity](table.md#table-definitions-tabledata)
#### sampleData Type
`object` \([Details](table.md#table-definitions-tabledata)\)
## Table entity Definitions
### Definitions group tableType
Reference this group by using
```javascript
{"$ref":"https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableType"}
```
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
### Definitions group columnDataType
Reference this group by using
```javascript
{"$ref":"https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/columnDataType"}
```
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
### Definitions group columnConstraint
Reference this group by using
```javascript
{"$ref":"https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/columnConstraint"}
```
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
### Definitions group tableConstraint
Reference this group by using
```javascript
{"$ref":"https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableConstraint"}
```
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
| [constraintType](table.md#constrainttype) | `string` | Optional | cannot be null | [Table entity](table.md#table-definitions-tableconstraint-properties-constrainttype) |
| [columns](table.md#columns-1) | `array` | Optional | cannot be null | [Table entity](table.md#table-definitions-tableconstraint-properties-columns) |
#### constraintType
`constraintType`
* is optional
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-tableconstraint-properties-constrainttype)
**constraintType Type**
`string`
**constraintType Constraints**
**enum**: the value of this property must be equal to one of the following values:
| Value | Explanation |
| :--- | :--- |
| `"UNIQUE"` | |
| `"PRIMARY_KEY"` | |
| `"FOREIGN_KEY"` | |
#### columns
List of column names corresponding to the constraint
`columns`
* is optional
* Type: `string[]`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-tableconstraint-properties-columns)
**columns Type**
`string[]`
### Definitions group columnName
Reference this group by using
```javascript
{"$ref":"https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/columnName"}
```
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
### Definitions group tableName
Reference this group by using
```javascript
{"$ref":"https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableName"}
```
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
### Definitions group fullyQualifiedColumnName
Reference this group by using
```javascript
{"$ref":"https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/fullyQualifiedColumnName"}
```
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
### Definitions group column
Reference this group by using
```javascript
{"$ref":"https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/column"}
```
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
| [name](table.md#name-1) | `string` | Required | cannot be null | [Table entity](table.md#table-definitions-columnname) |
| [columnDataType](table.md#columndatatype) | `string` | Required | cannot be null | [Table entity](table.md#table-Definitions-Columndatatype) |
| [description](table.md#description-1) | `string` | Optional | cannot be null | [Table entity](table.md#table-Definitions-Column-Properties-Description) |
| [fullyQualifiedName](table.md#fullyqualifiedname-1) | `string` | Optional | cannot be null | [Table entity](table.md#table-definitions-fullyqualifiedcolumnname) |
| [tags](table.md#tags-1) | `array` | Optional | cannot be null | [Table entity](table.md#table-Definitions-Column-Properties-Tags) |
| [columnConstraint](table.md#columnconstraint) | `string` | Optional | cannot be null | [Table entity](table.md#table-Definitions-Columnconstraint) |
| [ordinalPosition](table.md#ordinalposition) | `integer` | Optional | cannot be null | [Table entity](table.md#table-Definitions-Column-Properties-Ordinalposition) |
#### name
Local name \(not fully qualified name\) of the column
`name`
* is required
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-columnname)
**name Type**
`string`
**name Constraints**
**maximum length**: the maximum number of characters for this string is: `64`
**minimum length**: the minimum number of characters for this string is: `1`
**pattern**: the string must match the following regular expression:
```text
^[^.]*$
```
[try pattern](https://regexr.com/?expression=%5E%5B%5E.%5D*%24)
#### columnDataType
Type for capturing a column in a table
`columnDataType`
* is required
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-Definitions-Columndatatype)
**columnDataType Type**
`string`
**columnDataType Constraints**
**enum**: the value of this property must be equal to one of the following values:
| Value | Explanation |
| :--- | :--- |
| `"NUMBER"` | |
| `"TINYINT"` | |
| `"SMALLINT"` | |
| `"INT"` | |
| `"BIGINT"` | |
| `"FLOAT"` | |
| `"DOUBLE"` | |
| `"DECIMAL"` | |
| `"NUMERIC"` | |
| `"TIMESTAMP"` | |
| `"TIME"` | |
| `"DATE"` | |
| `"DATETIME"` | |
| `"INTERVAL"` | |
| `"STRING"` | |
| `"MEDIUMTEXT"` | |
| `"TEXT"` | |
| `"CHAR"` | |
| `"VARCHAR"` | |
| `"BOOLEAN"` | |
| `"BINARY"` | |
| `"VARBINARY"` | |
| `"ARRAY"` | |
| `"BLOB"` | |
| `"LONGBLOB"` | |
| `"MEDIUMBLOB"` | |
| `"MAP"` | |
| `"STRUCT"` | |
| `"UNION"` | |
| `"SET"` | |
| `"GEOGRAPHY"` | |
| `"ENUM"` | |
| `"JSON"` | |
#### description
Description of the column
`description`
* is optional
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-Definitions-Column-Properties-Description)
**description Type**
`string`
#### fullyQualifiedName
Fully qualified name of the column that includes serviceName.databaseName.tableName.columnName
`fullyQualifiedName`
* is optional
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-fullyqualifiedcolumnname)
**fullyQualifiedName Type**
`string`
**fullyQualifiedName Constraints**
**maximum length**: the maximum number of characters for this string is: `256`
**minimum length**: the minimum number of characters for this string is: `1`
#### tags
Tags associated with the column
`tags`
* is optional
* Type: `object[]` \([Details](../types/common.md#common-definitions-taglabel)\)
* cannot be null
* defined in: [Table entity](table.md#table-Definitions-Column-Properties-Tags)
**tags Type**
`object[]` \([Details](../types/common.md#common-definitions-taglabel)\)
#### columnConstraint
Column constraint
`columnConstraint`
* is optional
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-Definitions-Columnconstraint)
**columnConstraint Type**
`string`
**columnConstraint Constraints**
**enum**: the value of this property must be equal to one of the following values:
| Value | Explanation |
| :--- | :--- |
| `"NULL"` | |
| `"NOT_NULL"` | |
| `"UNIQUE"` | |
| `"PRIMARY_KEY"` | |
**columnConstraint Default Value**
The default value is:
```javascript
"NULL"
```
#### ordinalPosition
Ordinal position of the column
`ordinalPosition`
* is optional
* Type: `integer`
* cannot be null
* defined in: [Table entity](table.md#table-Definitions-Column-Properties-Ordinalposition)
**ordinalPosition Type**
`integer`
### Definitions group columnJoins
Reference this group by using
```javascript
{"$ref":"https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/columnJoins"}
```
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
| [columnName](table.md#columnname) | `string` | Optional | cannot be null | [Table entity](table.md#table-definitions-columnname) |
| [joinedWith](table.md#joinedwith) | `array` | Optional | cannot be null | [Table entity](table.md#table-definitions-columnjoins-properties-joinedwith) |
#### columnName
Local name \(not fully qualified name\) of the column
`columnName`
* is optional
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-columnname)
**columnName Type**
`string`
**columnName Constraints**
**maximum length**: the maximum number of characters for this string is: `64`
**minimum length**: the minimum number of characters for this string is: `1`
**pattern**: the string must match the following regular expression:
```text
^[^.]*$
```
[try pattern](https://regexr.com/?expression=%5E%5B%5E.%5D*%24)
#### joinedWith
Fully qualified names of the columns that this column is joined with
`joinedWith`
* is optional
* Type: `object[]` \([Details](table.md#table-definitions-columnjoins-properties-joinedwith-items)\)
* cannot be null
* defined in: [Table entity](table.md#table-definitions-columnjoins-properties-joinedwith)
**joinedWith Type**
`object[]` \([Details](table.md#table-definitions-columnjoins-properties-joinedwith-items)\)
### Definitions group tableJoins
Reference this group by using
```javascript
{"$ref":"https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableJoins"}
```
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
| [startDate](table.md#startdate) | `string` | Optional | cannot be null | [Common type](../types/common.md#common-definitions-date) |
| [dayCount](table.md#daycount) | `integer` | Optional | cannot be null | [Table entity](table.md#table-definitions-tablejoins-properties-daycount) |
| [columnJoins](table.md#columnjoins) | `array` | Optional | cannot be null | [Table entity](table.md#table-definitions-tablejoins-properties-columnjoins) |
#### startDate
Date in ISO 8601 format in UTC time. Example - '2018-11-13'
`startDate`
* is optional
* Type: `string`
* cannot be null
* defined in: [Common type](../types/common.md#common-definitions-date)
**startDate Type**
`string`
**startDate Constraints**
**date**: the string must be a date string, according to [RFC 3339, section 5.6](https://tools.ietf.org/html/rfc3339)
#### dayCount
`dayCount`
* is optional
* Type: `integer`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-tablejoins-properties-daycount)
**dayCount Type**
`integer`
**dayCount Default Value**
The default value is:
```javascript
1
```
#### columnJoins
`columnJoins`
* is optional
* Type: `object[]` \([Details](table.md#table-definitions-columnjoins)\)
* cannot be null
* defined in: [Table entity](table.md#table-definitions-tablejoins-properties-columnjoins)
**columnJoins Type**
`object[]` \([Details](table.md#table-definitions-columnjoins)\)
### Definitions group tableData
Reference this group by using
```javascript
{"$ref":"https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableData"}
```
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
| [columns](table.md#columns-2) | `array` | Optional | cannot be null | [Table entity](table.md#table-definitions-tabledata-properties-columns) |
| [rows](table.md#rows) | `array` | Optional | cannot be null | [Table entity](table.md#table-definitions-tabledata-properties-rows) |
#### columns
`columns`
* is optional
* Type: `string[]`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-tabledata-properties-columns)
**columns Type**
`string[]`
#### rows
Data for a multiple rows of the table
`rows`
* is optional
* Type: `array[]`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-tabledata-properties-rows)
**rows Type**
`array[]`
## table-definitions-column-properties-description
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/column/properties/description
```
Description of the column
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### description Type
`string`
## table-definitions-column-properties-ordinalposition
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/column/properties/ordinalPosition
```
Ordinal position of the column
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### ordinalPosition Type
`integer`
## table-definitions-column-properties-tags
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/column/properties/tags
```
Tags associated with the column
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### tags Type
`object[]` \([Details](../types/common.md#common-definitions-taglabel)\)
## table-definitions-column
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/properties/columns/items
```
Type for capturing a column in a table
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | No | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### items Type
`object` \([Details](../types/common.md#table-definitions-column)\)
## items Properties
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
| [name](table.md#name) | `string` | Required | cannot be null | [Table entity](table.md#table-definitions-columnname) |
| [columnDataType](table.md#columndatatype) | `string` | Required | cannot be null | [Table entity](table.md#table-definitions-columndatatype) |
| [description](table.md#description) | `string` | Optional | cannot be null | [Table entity](table.md#table-Definitions-Column-Properties-Description) |
| [fullyQualifiedName](table.md#fullyqualifiedname) | `string` | Optional | cannot be null | [Table entity](table.md#table-definitions-fullyqualifiedcolumnname) |
| [tags](table.md#tags) | `array` | Optional | cannot be null | [Table entity](table.md#table-Definitions-Column-Properties-Tags) |
| [columnConstraint](table.md#columnconstraint) | `string` | Optional | cannot be null | [Table entity](table.md#table-definitions-columnconstraint) |
| [ordinalPosition](table.md#ordinalposition) | `integer` | Optional | cannot be null | [Table entity](table.md#table-Definitions-Column-Properties-Ordinalposition) |
### name
Local name \(not fully qualified name\) of the column
`name`
* is required
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-columnname)
#### name Type
`string`
#### name Constraints
**maximum length**: the maximum number of characters for this string is: `64`
**minimum length**: the minimum number of characters for this string is: `1`
**pattern**: the string must match the following regular expression:
```text
^[^.]*$
```
[try pattern](https://regexr.com/?expression=%5E%5B%5E.%5D*%24)
### columnDataType
Type for capturing a column in a table
`columnDataType`
* is required
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-columndatatype)
#### columnDataType Type
`string`
#### columnDataType Constraints
**enum**: the value of this property must be equal to one of the following values:
| Value | Explanation |
| :--- | :--- |
| `"NUMBER"` | |
| `"TINYINT"` | |
| `"SMALLINT"` | |
| `"INT"` | |
| `"BIGINT"` | |
| `"FLOAT"` | |
| `"DOUBLE"` | |
| `"DECIMAL"` | |
| `"NUMERIC"` | |
| `"TIMESTAMP"` | |
| `"TIME"` | |
| `"DATE"` | |
| `"DATETIME"` | |
| `"INTERVAL"` | |
| `"STRING"` | |
| `"MEDIUMTEXT"` | |
| `"TEXT"` | |
| `"CHAR"` | |
| `"VARCHAR"` | |
| `"BOOLEAN"` | |
| `"BINARY"` | |
| `"VARBINARY"` | |
| `"ARRAY"` | |
| `"BLOB"` | |
| `"LONGBLOB"` | |
| `"MEDIUMBLOB"` | |
| `"MAP"` | |
| `"STRUCT"` | |
| `"UNION"` | |
| `"SET"` | |
| `"GEOGRAPHY"` | |
| `"ENUM"` | |
| `"JSON"` | |
### description
Description of the column
`description`
* is optional
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-Definitions-Column-Properties-Description)
#### description Type
`string`
### fullyQualifiedName
Fully qualified name of the column that includes serviceName.databaseName.tableName.columnName
`fullyQualifiedName`
* is optional
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-fullyqualifiedcolumnname)
#### fullyQualifiedName Type
`string`
#### fullyQualifiedName Constraints
**maximum length**: the maximum number of characters for this string is: `256`
**minimum length**: the minimum number of characters for this string is: `1`
### tags
Tags associated with the column
`tags`
* is optional
* Type: `object[]` \([Details](../types/common.md#common-definitions-taglabel)\)
* cannot be null
* defined in: [Table entity](table.md#table-Definitions-Column-Properties-Tags)
#### tags Type
`object[]` \([Details](../types/common.md#common-definitions-taglabel)\)
### columnConstraint
Column constraint
`columnConstraint`
* is optional
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-columnconstraint)
#### columnConstraint Type
`string`
#### columnConstraint Constraints
**enum**: the value of this property must be equal to one of the following values:
| Value | Explanation |
| :--- | :--- |
| `"NULL"` | |
| `"NOT_NULL"` | |
| `"UNIQUE"` | |
| `"PRIMARY_KEY"` | |
#### columnConstraint Default Value
The default value is:
```javascript
"NULL"
```
### ordinalPosition
Ordinal position of the column
`ordinalPosition`
* is optional
* Type: `integer`
* cannot be null
* defined in: [Table entity](table.md#table-Definitions-Column-Properties-Ordinalposition)
#### ordinalPosition Type
`integer`
## table-definitions-columnconstraint
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/column/properties/columnConstraint
```
Column constraint
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### columnConstraint Type
`string`
### columnConstraint Constraints
**enum**: the value of this property must be equal to one of the following values:
| Value | Explanation |
| :--- | :--- |
| `"NULL"` | |
| `"NOT_NULL"` | |
| `"UNIQUE"` | |
| `"PRIMARY_KEY"` | |
### columnConstraint Default Value
The default value is:
```javascript
"NULL"
```
## table-definitions-columndatatype
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/column/properties/columnDataType
```
Type for capturing a column in a table
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### columnDataType Type
`string`
### columnDataType Constraints
**enum**: the value of this property must be equal to one of the following values:
| Value | Explanation |
| :--- | :--- |
| `"NUMBER"` | |
| `"TINYINT"` | |
| `"SMALLINT"` | |
| `"INT"` | |
| `"BIGINT"` | |
| `"FLOAT"` | |
| `"DOUBLE"` | |
| `"DECIMAL"` | |
| `"NUMERIC"` | |
| `"TIMESTAMP"` | |
| `"TIME"` | |
| `"DATE"` | |
| `"DATETIME"` | |
| `"INTERVAL"` | |
| `"STRING"` | |
| `"MEDIUMTEXT"` | |
| `"TEXT"` | |
| `"CHAR"` | |
| `"VARCHAR"` | |
| `"BOOLEAN"` | |
| `"BINARY"` | |
| `"VARBINARY"` | |
| `"ARRAY"` | |
| `"BLOB"` | |
| `"LONGBLOB"` | |
| `"MEDIUMBLOB"` | |
| `"MAP"` | |
| `"STRUCT"` | |
| `"UNION"` | |
| `"SET"` | |
| `"GEOGRAPHY"` | |
| `"ENUM"` | |
| `"JSON"` | |
## table-definitions-columnjoins-properties-joinedwith-items-properties-joincount
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/columnJoins/properties/joinedWith/items/properties/joinCount
```
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### joinCount Type
`integer`
## table-definitions-columnjoins-properties-joinedwith-items
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/columnJoins/properties/joinedWith/items
```
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | No | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### items Type
`object` \([Details](table.md#table-definitions-columnjoins-properties-joinedwith-items)\)
## items Properties
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
| [fullyQualifiedName](table.md#fullyqualifiedname) | `string` | Optional | cannot be null | [Table entity](table.md#table-definitions-fullyqualifiedcolumnname) |
| [joinCount](table.md#joincount) | `integer` | Optional | cannot be null | [Table entity](table.md#table-definitions-columnjoins-properties-joinedwith-items-properties-joincount) |
### fullyQualifiedName
Fully qualified name of the column that includes serviceName.databaseName.tableName.columnName
`fullyQualifiedName`
* is optional
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-fullyqualifiedcolumnname)
#### fullyQualifiedName Type
`string`
#### fullyQualifiedName Constraints
**maximum length**: the maximum number of characters for this string is: `256`
**minimum length**: the minimum number of characters for this string is: `1`
### joinCount
`joinCount`
* is optional
* Type: `integer`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-columnjoins-properties-joinedwith-items-properties-joincount)
#### joinCount Type
`integer`
## table-definitions-columnjoins-properties-joinedwith
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/columnJoins/properties/joinedWith
```
Fully qualified names of the columns that this column is joined with
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### joinedWith Type
`object[]` \([Details](table.md#table-definitions-columnjoins-properties-joinedwith-items)\)
## table-definitions-columnjoins
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableJoins/properties/columnJoins/items
```
Information on other tables that this table column is frequently joined with
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | No | Forbidden | Forbidden | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### items Type
`object` \([Details](table.md#table-definitions-columnjoins)\)
## items Properties
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
| [columnName](table.md#columnname) | `string` | Optional | cannot be null | [Table entity](table.md#table-definitions-columnname) |
| [joinedWith](table.md#joinedwith) | `array` | Optional | cannot be null | [Table entity](table.md#table-definitions-columnjoins-properties-joinedwith) |
### columnName
Local name \(not fully qualified name\) of the column
`columnName`
* is optional
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-columnname)
#### columnName Type
`string`
#### columnName Constraints
**maximum length**: the maximum number of characters for this string is: `64`
**minimum length**: the minimum number of characters for this string is: `1`
**pattern**: the string must match the following regular expression:
```text
^[^.]*$
```
[try pattern](https://regexr.com/?expression=%5E%5B%5E.%5D*%24)
### joinedWith
Fully qualified names of the columns that this column is joined with
`joinedWith`
* is optional
* Type: `object[]` \([Details](table.md#table-definitions-columnjoins-properties-joinedwith-items)\)
* cannot be null
* defined in: [Table entity](table.md#table-definitions-columnjoins-properties-joinedwith)
#### joinedWith Type
`object[]` \([Details](table.md#table-definitions-columnjoins-properties-joinedwith-items)\)
## table-definitions-columnname
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableData/properties/columns/items
```
Local name \(not fully qualified name\) of the column
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### items Type
`string`
### items Constraints
**maximum length**: the maximum number of characters for this string is: `64`
**minimum length**: the minimum number of characters for this string is: `1`
**pattern**: the string must match the following regular expression:
```text
^[^.]*$
```
[try pattern](https://regexr.com/?expression=%5E%5B%5E.%5D*%24)
## table-definitions-fullyqualifiedcolumnname
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/columnJoins/properties/joinedWith/items/properties/fullyQualifiedName
```
Fully qualified name of the column that includes serviceName.databaseName.tableName.columnName
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### fullyQualifiedName Type
`string`
### fullyQualifiedName Constraints
**maximum length**: the maximum number of characters for this string is: `256`
**minimum length**: the minimum number of characters for this string is: `1`
## table-definitions-tableconstraint-properties-columns-items
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableConstraint/properties/columns/items
```
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### items Type
`string`
## table-definitions-tableconstraint-properties-columns
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableConstraint/properties/columns
```
List of column names corresponding to the constraint
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### columns Type
`string[]`
## table-definitions-tableconstraint-properties-constrainttype
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableConstraint/properties/constraintType
```
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### constraintType Type
`string`
### constraintType Constraints
**enum**: the value of this property must be equal to one of the following values:
| Value | Explanation |
| :--- | :--- |
| `"UNIQUE"` | |
| `"PRIMARY_KEY"` | |
| `"FOREIGN_KEY"` | |
## table-definitions-tableconstraint
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/properties/tableConstraints/items
```
Table constraint
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | No | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### items Type
`object` \([Details](table.md#table-definitions-tableconstraint)\)
## items Properties
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
| [constraintType](table.md#constrainttype) | `string` | Optional | cannot be null | [Table entity](table.md#table-definitions-tableconstraint-properties-constrainttype) |
| [columns](table.md#columns) | `array` | Optional | cannot be null | [Table entity](table.md#table-definitions-tableconstraint-properties-columns) |
### constraintType
`constraintType`
* is optional
* Type: `string`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-tableconstraint-properties-constrainttype)
#### constraintType Type
`string`
#### constraintType Constraints
**enum**: the value of this property must be equal to one of the following values:
| Value | Explanation |
| :--- | :--- |
| `"UNIQUE"` | |
| `"PRIMARY_KEY"` | |
| `"FOREIGN_KEY"` | |
### columns
List of column names corresponding to the constraint
`columns`
* is optional
* Type: `string[]`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-tableconstraint-properties-columns)
#### columns Type
`string[]`
## table-definitions-tabledata-properties-columns
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableData/properties/columns
```
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### columns Type
`string[]`
## table-definitions-tabledata-properties-rows-items
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableData/properties/rows/items
```
Data for a single row of the table
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### items Type
`array`
## table-definitions-tabledata-properties-rows
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableData/properties/rows
```
Data for a multiple rows of the table
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### rows Type
`array[]`
## table-definitions-tabledata
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/properties/sampleData
```
Information on other tables that this table column is frequently joined with
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | No | Forbidden | Forbidden | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### sampleData Type
`object` \([Details](table.md#table-definitions-tabledata)\)
## sampleData Properties
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
| [columns](table.md#columns) | `array` | Optional | cannot be null | [Table entity](table.md#table-definitions-tabledata-properties-columns) |
| [rows](table.md#rows) | `array` | Optional | cannot be null | [Table entity](table.md#table-definitions-tabledata-properties-rows) |
### columns
`columns`
* is optional
* Type: `string[]`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-tabledata-properties-columns)
#### columns Type
`string[]`
### rows
Data for a multiple rows of the table
`rows`
* is optional
* Type: `array[]`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-tabledata-properties-rows)
#### rows Type
`array[]`
## table-definitions-tablejoins-properties-columnjoins
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableJoins/properties/columnJoins
```
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### columnJoins Type
`object[]` \([Details](table.md#table-definitions-columnjoins)\)
## table-definitions-tablejoins-properties-daycount
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableJoins/properties/dayCount
```
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### dayCount Type
`integer`
### dayCount Default Value
The default value is:
```javascript
1
```
## table-definitions-tablejoins
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/properties/joins
```
Details of other tables this table is frequently joined with
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | No | Forbidden | Forbidden | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### joins Type
`object` \([Details](table.md#table-definitions-tablejoins)\)
## joins Properties
| Property | Type | Required | Nullable | Defined by |
| :--- | :--- | :--- | :--- | :--- |
| [startDate](table.md#startdate) | `string` | Optional | cannot be null | [Common type](../types/common.md#common-definitions-date) |
| [dayCount](table.md#daycount) | `integer` | Optional | cannot be null | [Table entity](table.md#table-definitions-tablejoins-properties-daycount) |
| [columnJoins](table.md#columnjoins) | `array` | Optional | cannot be null | [Table entity](table.md#table-definitions-tablejoins-properties-columnjoins) |
### startDate
Date in ISO 8601 format in UTC time. Example - '2018-11-13'
`startDate`
* is optional
* Type: `string`
* cannot be null
* defined in: [Common type](../types/common.md#common-definitions-date)
#### startDate Type
`string`
#### startDate Constraints
**date**: the string must be a date string, according to [RFC 3339, section 5.6](https://tools.ietf.org/html/rfc3339)
### dayCount
`dayCount`
* is optional
* Type: `integer`
* cannot be null
* defined in: [Table entity](table.md#table-definitions-tablejoins-properties-daycount)
#### dayCount Type
`integer`
#### dayCount Default Value
The default value is:
```javascript
1
```
### columnJoins
`columnJoins`
* is optional
* Type: `object[]` \([Details](table.md#table-definitions-columnjoins)\)
* cannot be null
* defined in: [Table entity](table.md#table-definitions-tablejoins-properties-columnjoins)
#### columnJoins Type
`object[]` \([Details](table.md#table-definitions-columnjoins)\)
## table-definitions-tablename
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableName
```
Local name \(not fully qualified name\) of the table
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### tableName Type
`string`
### tableName Constraints
**maximum length**: the maximum number of characters for this string is: `64`
**minimum length**: the minimum number of characters for this string is: `1`
**pattern**: the string must match the following regular expression:
```text
^[^.]*$
```
[try pattern](https://regexr.com/?expression=%5E%5B%5E.%5D*%24)
## table-definitions-tabletype
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions/tableType
```
Type for capturing a column in a table
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### tableType Type
`string`
### tableType Constraints
**enum**: the value of this property must be equal to one of the following values:
| Value | Explanation |
| :--- | :--- |
| `"REGULAR"` | |
| `"EXTERNAL"` | |
| `"VIEW"` | |
| `"SECURE_VIEW"` | |
| `"MATERIALIZED_VIEW"` | |
## table-definitions
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/definitions
```
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### definitions Type
unknown
## table-properties-columns
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/properties/columns
```
Columns in the table
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### columns Type
`object[]` \([Details](../types/common.md#table-definitions-column)\)
## table-properties-description
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/properties/description
```
Description of the table
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### description Type
`string`
## table-properties-fullyqualifiedname
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/properties/fullyQualifiedName
```
Fully qualified name of the table in the form serviceName.databaseName.tableName
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### fullyQualifiedName Type
`string`
## table-properties-name
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/properties/name
```
Local name \(not fully qualified name\) of the table
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### name Type
`string`
### name Constraints
**maximum length**: the maximum number of characters for this string is: `64`
**minimum length**: the minimum number of characters for this string is: `1`
**pattern**: the string must match the following regular expression:
```text
^[^.]*$
```
[try pattern](https://regexr.com/?expression=%5E%5B%5E.%5D*%24)
## table-properties-tableconstraints
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/properties/tableConstraints
```
Table constraints
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### tableConstraints Type
`object[]` \([Details](table.md#table-definitions-tableconstraint)\)
## table-properties-tabletype
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/properties/tableType
```
Type for capturing a column in a table
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### tableType Type
`string`
### tableType Constraints
**enum**: the value of this property must be equal to one of the following values:
| Value | Explanation |
| :--- | :--- |
| `"REGULAR"` | |
| `"EXTERNAL"` | |
| `"VIEW"` | |
| `"SECURE_VIEW"` | |
| `"MATERIALIZED_VIEW"` | |
## table-properties-tags
```text
https://github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json#/properties/tags
```
Tags for this table
| Abstract | Extensible | Status | Identifiable | Custom Properties | Additional Properties | Access Restrictions | Defined In |
| :--- | :--- | :--- | :--- | :--- | :--- | :--- | :--- |
| Can be instantiated | No | Unknown status | Unknown identifiability | Forbidden | Allowed | none | [table.json\*](https://github.com/StreamlineData/catalog/tree/7a2138a90f4fb063ef6d4f8cac3a2668f1dcf67b/docs/api/schemas/https:/github.com/StreamlineData/catalog/blob/master/catalog-rest-service/src/main/resources/json/schema/entity/data/table.json) |
### tags Type
`object[]` \([Details](../types/common.md#common-definitions-taglabel)\)
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