# MariaDB

Add your MariaDB database as an external catalog in Altertable to query and analyze it alongside your other data sources.

To add a new MariaDB external catalog:

1. Navigate to the **Catalogs** section in the dashboard

2. Click **New catalog**

3. Select **MariaDB** as the engine

4. Fill in the connection details:

   - **Host**: The hostname or IP address of your MariaDB server
   - **Port**: The port number (default: 3306)
   - **Database**: The name of the database to connect to
   - **Schema** (optional): The name of the schema to connect to
   - **Username**: Your MariaDB username
   - **Password**: Your MariaDB password

5. Click **Save**

![New MariaDB connection form](/screenshots/components-connectionform--maria-db-empty.png)

*New MariaDB connection form*

Once added, you can start querying your MariaDB data through Altertable's SQL engine.