The 
uses multiple SQL databases to manage platform metadata. This section describes how to install and initialize these databases.
DB Installation Pre-requisites
- You must install a supported database distribution. For more information on the supported database versions, see System Requirements in the Planning Guide.
- You must also acquire the database dependencies associated with the operating system distribution where the database is to be installed. Please see the database vendor for more information.
- Please verify that the ports used by the database are opened on the
. - For more information on default ports, see System Ports in the Planning Guide.
- If you need to use different ports, additional configuration is required. More instructions are provided later.
- Installation and configuration of the database cannot be completed until the
has been installed. You should install the software on the first.
Other pre-requisites specific to the database distribution may be listed in the appropriate section below. If you are concerned about durability and disaster recovery of your  , your enterprise backup procedures should include the  . See Backup and Recovery in the Admin Guide. |
List of Databases
The requires access to the following databases. Below, you can review database names, descriptions and release in which it was introduced:
| Database Name | Description | First Release |
|---|
 (Main)
| Storage of users and metadata about your datasets, including completed jobs. | Release 1.0 |
| Jobs database | Storage of job tracking information. Jobs are purged upon completion or job timeout. Failed jobs are purged periodically. | Release 3.2 |
| Authorization Service database | Storage of object permissions. | Release 7.1 |
| Orchestration Service database | Storage of plan execution information. Information is purged upon completion or run timeout. Failed runs are purged periodically. | Release 7.1 |
| Configuration Service database | Storage of system-, tier-, and user-level configuration settings. | Release 6.0 |
| Artifact Storage Service database | Storage for feature-specific usage data such value mappings. | Release 6.0 |
| Job Metadata Service database | Storage of metadata on job execution. | Release 6.4 |
Scheduling database | Storage of schedules, including datasets to execute. | Release 4.1 |
| Time-based Trigger database | Storage of triggering information. | Release 4.1 |
