--- title: databaseSchema slug: /main-concepts/metadata-standard/schemas/entity/data/databaseschema --- # Database Schema *This schema defines the Database Schema entity. A `Database Schema` is collection of tables, views, stored procedures, and other database objects.* ## Properties - **`id`**: Unique identifier that identifies this schema instance. Refer to *[../../type/basic.json#/definitions/uuid](#/../type/basic.json#/definitions/uuid)*. - **`name`**: Name that identifies the schema. Refer to *[../../type/basic.json#/definitions/entityName](#/../type/basic.json#/definitions/entityName)*. - **`fullyQualifiedName`**: Name that uniquely identifies a schema in the format 'ServiceName.DatabaseName.SchemaName'. Refer to *[../../type/basic.json#/definitions/fullyQualifiedEntityName](#/../type/basic.json#/definitions/fullyQualifiedEntityName)*. - **`displayName`** *(string)*: Display Name that identifies this schema. - **`description`**: Description of the schema instance. Refer to *[../../type/basic.json#/definitions/markdown](#/../type/basic.json#/definitions/markdown)*. - **`dataProducts`**: List of data products this entity is part of. Refer to *[../../type/entityReferenceList.json](#/../type/entityReferenceList.json)*. - **`version`**: Metadata version of the entity. Refer to *[../../type/entityHistory.json#/definitions/entityVersion](#/../type/entityHistory.json#/definitions/entityVersion)*. - **`updatedAt`**: Last update time corresponding to the new version of the entity in Unix epoch time milliseconds. Refer to *[../../type/basic.json#/definitions/timestamp](#/../type/basic.json#/definitions/timestamp)*. - **`updatedBy`** *(string)*: User who made the update. - **`href`**: Link to the resource corresponding to this entity. Refer to *[../../type/basic.json#/definitions/href](#/../type/basic.json#/definitions/href)*. - **`owners`**: Owner of this schema. Refer to *[../../type/entityReferenceList.json](#/../type/entityReferenceList.json)*. - **`service`**: Link to the database cluster/service where this schema is hosted in. Refer to *[../../type/entityReference.json](#/../type/entityReference.json)*. - **`serviceType`**: Service type where this schema is hosted in. Refer to *[../services/databaseService.json#/definitions/databaseServiceType](#/services/databaseService.json#/definitions/databaseServiceType)*. - **`database`**: Reference to Database that contains this table. Refer to *[../../type/entityReference.json](#/../type/entityReference.json)*. - **`tables`**: References to tables in the schema. Refer to *[../../type/entityReferenceList.json](#/../type/entityReferenceList.json)*. - **`usageSummary`**: Latest usage information for this database. Refer to *[../../type/usageDetails.json](#/../type/usageDetails.json)*. Default: `null`. - **`tags`** *(array)*: Tags for this Database Schema Service. Default: `[]`. - **Items**: Refer to *[../../type/tagLabel.json](#/../type/tagLabel.json)*. - **`changeDescription`**: Change that lead to this version of the entity. Refer to *[../../type/entityHistory.json#/definitions/changeDescription](#/../type/entityHistory.json#/definitions/changeDescription)*. - **`deleted`** *(boolean)*: When `true` indicates the entity has been soft deleted. Default: `false`. - **`retentionPeriod`**: Retention period of the data in the database schema. Period is expressed as duration in ISO 8601 format in UTC. Example - `P23DT23H`. When not set, the retention period is inherited from the parent database, if it exists. Refer to *[../../type/basic.json#/definitions/duration](#/../type/basic.json#/definitions/duration)*. - **`extension`**: Entity extension data with custom attributes added to the entity. Refer to *[../../type/basic.json#/definitions/entityExtension](#/../type/basic.json#/definitions/entityExtension)*. - **`sourceUrl`**: Source URL of database schema. Refer to *[../../type/basic.json#/definitions/sourceUrl](#/../type/basic.json#/definitions/sourceUrl)*. - **`domain`**: Domain the Database Schema belongs to. When not set, the Schema inherits the domain from the database it belongs to. Refer to *[../../type/entityReference.json](#/../type/entityReference.json)*. - **`votes`**: Votes on the entity. Refer to *[../../type/votes.json](#/../type/votes.json)*. - **`lifeCycle`**: Life Cycle properties of the entity. Refer to *[../../type/lifeCycle.json](#/../type/lifeCycle.json)*. - **`certification`**: Refer to *[../../type/assetCertification.json](#/../type/assetCertification.json)*. - **`sourceHash`** *(string)*: Source hash of the entity. - **`databaseSchemaProfilerConfig`** *(object)*: This schema defines the type for Schema profile config. - **`profileSample`** *(number)*: Percentage of data or no. of rows we want to execute the profiler and tests on. Default: `null`. - **`profileSampleType`**: Refer to *[./table.json#/definitions/profileSampleType](#table.json#/definitions/profileSampleType)*. - **`sampleDataCount`** *(integer)*: Number of row of sample data to be generated. Default: `50`. - **`samplingMethodType`**: Refer to *[./table.json#/definitions/samplingMethodType](#table.json#/definitions/samplingMethodType)*. - **`sampleDataStorageConfig`**: Refer to *[../services/connections/connectionBasicType.json#/definitions/sampleDataStorageConfig](#/services/connections/connectionBasicType.json#/definitions/sampleDataStorageConfig)*. ## Definitions Documentation file automatically generated at 2025-01-15 09:05:41.923720+00:00.