--- title: "Persistence" slug: "persistence-1" updated: 2023-07-20T09:06:54Z published: 2023-07-20T09:06:54Z canonical: "docs.zetaly.io/persistence-1" --- > ## Documentation Index > Fetch the complete documentation index at: https://docs.zetaly.io/llms.txt > Use this file to discover all available pages before exploring further. # Data Storage ## Support Zetaly currently supports PostgreSQL v11+. ## Installation Database creation is done using the Zetaly Installer in the package. For more information about the Zetaly Installer, see [Zetaly Installer](https://docs.zetaly.io/docs/zetaly-installer). ```powershell .\ZetalyInstall.ps1 database-init ``` **Database user creation**    The installer provides the ability to create a specific user with limited access. Zetaly highly recommend you use it for your database creation. ## Module Specific Configurations ### ZRP ZRP can use two databases, you can ignore this next part if you are using one. One database is used for data extraction, one for its internal functioning. The former one must have been initialized using the aforementioned script, while the other is handled by ZRP automatically. The databases are differentiated in the `zetalyinstall.cnf` configuration file by the following properties: - `Backend.Zetaly.DB` : data extraction - `Backend.ZRP.DB` : internal functioning