# Database Service
This schema defines the Database Service entity, such as MySQL, BigQuery, Redshift, Postgres, or Snowflake. Alternative terms such as Database Cluster, Database Server instance are also used.
$id: https://open-metadata.org/schema/entity/services/databaseService.json
Type: `object`
## Properties
- id `required`
- Unique identifier of this database service instance.
- $ref: [../../type/basic.json#/definitions/uuid](#....typebasic.jsondefinitionsuuid)
- name `required`
- Name that identifies this database service.
- Type: `string`
- Length: between 1 and 64
- serviceType `required`
- Type of database service such as MySQL, BigQuery, Snowflake, Redshift, Postgres...
- $ref: [#/definitions/databaseServiceType](#/definitions/databaseServiceType)
- description
- Description of a database service instance.
- Type: `string`
- href `required`
- Link to the resource corresponding to this database service.
- $ref: [../../type/basic.json#/definitions/href](#....typebasic.jsondefinitionshref)
- jdbc `required`
- JDBC connection information
- $ref: [../../type/jdbcConnection.json#/definitions/jdbcInfo](#....typejdbcconnection.jsondefinitionsjdbcinfo)
- ingestionSchedule
- Schedule for running metadata ingestion jobs.
- $ref: [../../type/schedule.json](#....typeschedule.json)
## Types definitions in this schema
**databaseServiceType**
- Type of database service such as MySQL, BigQuery, Snowflake, Redshift, Postgres...
- Type: `string`
- The value is restricted to the following:
1. _"BigQuery"_
2. _"MySQL"_
3. _"Redshift"_
4. _"Snowflake"_
5. _"Postgres"_
6. _"MSSQL"_
7. _"Hive"_