# Change History

Released On | What's New
--- | ---
2021-02-24 | Modified the following content: Supported v3 APIs in Adding Tags in Batches, Deleting Tags in Batches, and Querying Project Tags.
2021-02-01 | Modified the following content: Supported PostgreSQL 12.

2020-10-15

Modified the following content:

- Supported Microsoft SQL Server 2017 EE.
- Supported Microsoft SQL Server 2017 SE.

2020-02-07

Modified the following content:

- Added the az_status field to the response in section Querying Database Specifications.
- Optimized the ha, configuration_id, and disk_encryption_id description in the response in section Creating a DB Instance.
- Added the following description in the API constraints of all v3 API parameter templates: Only the following DB engines are supported: MySQL, PostgreSQL, and Microsoft SQL Server.
- Optimized the ha and configuration_id description and deleted password and disk_encryption_id in section Restoring Data to a New DB Instance.
- Optimized the name and size description in the response of the trove API "Creating a DB instance".
- Modified the following information in the response of the trove API "Obtaining Detailed Information of a Specified DB Instance":
  - Change the group value from 1 to root.
  - Changed the storageEngine value to "".
  - Added the following description to payModel: The value 1 indicates the pay-per-use mode and only this mode is supported currently.
  - Deleted the used field.
- Optimized the ram and name description in the response of the trove API "Obtaining a Parameter Template List".
- Modified the maxgrouplimit description in the response of the trove API "Obtaining a Parameter Template List".
- Added the values description in the response of the trove API "Creating a Parameter template".

2020-01-14

Modified the following content:

- Added the spec_code description.
- Added DB Instance Specifications.

2019-11-30

Modified the following content:

- Supported MySQL 8.0.
- Supported PostgreSQL 11.
- Added v3 APIs in section Changing DB Instance Specifications.
- Added v3 APIs in section Scaling Up Storage Space of a DB Instance.
- Added v3 APIs in section Changing a Single DB Instance to Primary/Standby DB Instances.
- Added v3 APIs in section Rebooting a DB Instance.
- Added v3 APIs in section Querying Database Error Logs.
- Added v3 APIs in section Querying Database Slow Logs.

2019-02-25 | Accepted in OTC-4.0.
2019-02-15 | Modified the following content: Deleted the job_id field in the response in section Creating a Manual Backup.

2019-01-31

Modified the following content:

- Added v3 APIs in section Querying Version Information About a DB Engine.
- Added v3 APIs in section Querying Database Specifications.
- Detailed the revision records of 2018-12-29.

2018-12-29

Modified the following content:

- Added v3 APIs in section Creating a DB Instance.
- Added v3 APIs in section Deleting a DB Instance.
- Added v3 APIs in section Querying Details About DB Instances.
- Added v3 APIs in section Obtaining a Parameter Template List.
- Added v3 APIs in section Creating a Parameter Template.
- Added v3 APIs in section Modifying a Parameter Template.
- Added v3 APIs in section Applying a Parameter Template.
- Added v3 APIs in section Modifying Parameters of a Specified DB Instance.
- Added v3 APIs in section Obtaining the Parameter Template of a Specified DB Instance.
- Added v3 APIs in section Obtaining Parameters in a Specified Parameter Template.
- Added v3 APIs in section Deleting a Parameter Template.
- Added v3 APIs in section Setting an Automated Backup Policy.
- Added v3 APIs in section Obtaining an Automated Backup Policy.
- Added v3 APIs in section Creating a Manual Backup.
- Added v3 APIs in section Obtaining Details About Backups.
- Added v3 APIs in section Obtaining the Link for Downloading a Backup File.
- Added v3 APIs in section Deleting a Manual Backup.
- Added v3 APIs in section Querying the Restoration Time Range.
- Added v3 APIs in section Restoring Data to a New DB Instance.
- Added v3 APIs in section Restoring Data to an Existing or Original DB Instance.
- Added v3 APIs in section Obtaining Task Information.
- Added v3 API abnormal response description in section Abnormal Request Results.
- Added v3 error codes in the DBS.XXXXXX format in section Error Codes.

2018-06-28

Modified the following content:

- Added section Overview.
- Added section API Overview.
- Added section Calling APIs.
- Moved the appendix content to section Appendix.
- Changed the descriptions of instance and ha in section Creating a DB Instance. Microsoft SQL Server primary/standby DB instances are supported.
- Modified the description of replicationMode in section Restoring Data to a New DB Instance.
- Modified the description of the request parameter size in sections Creating a DB Instance, Creating a DB Instance, Changing DB Instance Volume, and Changing DB Instance Volume.
- Modified the description of the response parameter size in section Obtaining Detailed Information of a Specified DB Instance.
- Added section Binding or Unbinding an EIP.

2018-03-19

Modified the following content:

- OpenStack-compatible APIs related to parameter templates do not support the Microsoft SQL Server DB engine.
- Modified API restrictions in sections Deleting a DB Instance and Deleting a DB Instance.
- Added three APIs in section Tag Management.
- Added error code RDS.0062 in Error Codes.

2017-10-31

Modified the following content:

- Added the parameter dbPort and modified the request and response examples in section Creating a DB Instance.
- Changed herf to href in the response example in section Creating a DB Instance.
- Modified the description of keepLastManualBackup, added extendparam in the response, and modified the response example in section Deleting a DB Instance.
- Added the response parameter dbPort and modified the response examples in sections Obtaining a DB Instance List, Obtaining a DB Instance List, Obtaining Detailed Information of a Specified DB Instance, and Obtaining Detailed Information of a Specified DB Instance.
- Added the response parameter publicEndpoint and modified the response examples in sections Obtaining a DB Instance List and Obtaining Detailed Information of a Specified DB Instance.
- Modified the description of the request parameter version in section Creating a Parameter Template.
- Added a note in the function description in section Setting Configuration Parameters.
- Modified the function description in section Resetting Parameters to Their Default Values.
- Added error code RDS.0056 in section Error Codes.
- Modified the descriptions of rds004_bytes_in and rds005_bytes_out in RDS Monitoring Metrics Description.
- Modified the description of the backup start time.

2017-06-14

Modified the following content:

- Classified open APIs.
- Supported the Microsoft SQL Server DB engine.
- Added 21 OpenStack-compatible APIs.
- Added the links field in section Querying API Versions.
- Added the links field in section Querying a Specified API Version.
- Added Table 4 in section Creating a DB Instance.
- Added eight monitoring metrics numbering from rds047 to rds054 in section RDS Monitoring Metrics Description.

2017-02-08

Modified the following content:

- Supported the PostgreSQL DB engine.

- Added specCode in sections Obtaining All DB Instance Specifications and Obtaining Specified DB Instance Specifications.
- Modified the request example and Table 3 in section Restoring Data to a New DB Instance.
- Modified the descriptions of startDate and endDate in section Querying Database Error Logs.
- Added seven monitoring metrics numbering from rds040 to rds046 and their API calling examples in section RDS Monitoring Metrics Description.

2016-11-24

Modified the following content:

- Modified the description of period in Table 9 and the response example in section Creating a DB Instance.
- Modified response examples in sections Obtaining a DB Instance List and Obtaining Detailed Information of a Specified DB Instance.
- Modified API restrictions in section Changing DB Instance Volume.
- Modified the description of flavorRef in Table 3 in section Creating a DB Instance.

2016-10-29

Modified the following content:

- Changed all tenantId in API URIs to project_id and modified the description of project_id.
- Changed "manual backup" to "snapshot".
- Modified the description of backuptype and the response example in section Returning Manual Backup Information as a List.
- Modified the description of backuptype in section Creating a Manual Backup.

2016-09-23

Modified the following content:

- Modified the description of dbId in Table 2 in section Obtaining All DB Instance Specifications.
- Modified the response example in section Database Version Queries.
- Modified URI parameter descriptions in sections Querying Database Error Logs and Querying Database Slow Logs.

2016-09-18 | Modified the following content: Modified the description of the tenant ID.
2016-09-15 | Modified the following content: Added nine open APIs.
2016-08-25 | Modified the following content: Added seven open APIs.
2016-07-15 | Modified the following content: Corrected errors in examples.
2016-06-30 | This issue is the first official release.