> For the complete documentation index, see [llms.txt](https://developer.harness.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.harness.io/database-devops/3.0/setup-db-devops.md).

# Setup DB DevOps

- [Get Started with Changelogs](https://developer.harness.io/database-devops/3.0/setup-db-devops/get-started-with-changelogs.md): Learn how to define changelogs for SQL and MongoDB in Harness Database DevOps.
- [Provision Database DevOps](https://developer.harness.io/database-devops/3.0/setup-db-devops/provision-database-devops.md)
- [JDBC Connection String](https://developer.harness.io/database-devops/3.0/setup-db-devops/jdbc-connection-string.md)
- [Setting Up Connectors](https://developer.harness.io/database-devops/3.0/setup-db-devops/jdbc-connection-string/set-up-connectors.md): Learn how to set up and configure connectors in Harness DB DevOps to securely link databases, artifact registries, and secret managers.
- [Set Up IBM DB2 Connector](https://developer.harness.io/database-devops/3.0/setup-db-devops/jdbc-connection-string/set-up-db2-connector.md): Configure JDBC connectors for IBM DB2 LUW, DB2 for i, and DB2 z/OS in Harness DB DevOps.
- [Get Started with Google Cloud BigTable](https://developer.harness.io/database-devops/3.0/setup-db-devops/jdbc-connection-string/get-started-bigtable.md): Configure Harness Database DevOps to manage Google Cloud BigTable schema changes using Liquibase-based change types.
- [Using Custom Script for Harness Database DevOps](https://developer.harness.io/database-devops/3.0/setup-db-devops/using-custom-script.md): Learn how to use a custom script to retrieve and manage a Liquibase changelog in Harness Database DevOps, including DB Schema setup and pipeline configuration.