On this page

1. In the `EZsite`, enter your project and click the **Settings** button in the top right corner.
2. Click the **Database** tab.
3. In the Database Type section, you can select Custom DB, and then select the database type from the dropdown menu. Support MySQL, PostgreSQL, SQL Server and Oracle.

4. You can configure the custom database connection string.

- Here's an PostgreSQL example:

```text
Server=yourPGDBServer;Port=5432;Database=yourDBName;User Id=yourUserName;Password=yourPassword;MaxPoolSize=100;
```

- Here's an MySQL example:

```text
Server=yourMySQLDBServer;Port=3306;Database=yourDBName;User Id=yourUserName;Password=yourPassword;MaxPoolSize=100;
```

- Here's an SQL Server example:

```text
Server=yourSQLServerDBServer,1433;Database=yourDBName;User Id=yourUserName;Password=yourPassword;TrustServerCertificate=true
```

- Here's an Oracle example:

```text
Server=yourOracleDBServer;Port=1521;Database=yourDBName;User Id=yourUserName;Password=yourPassword;MaxPoolSize=100;
```

## Use Custom Database

After setting up the custom database, you can use it in the project. Suppose you have a game project and you want to save the game results to a database, you can use the following prompt:

```text
Save game results to the database
```

# IP Whitelist

For the complete list of IP addresses that can access your custom database, please refer to our [IP Whitelist documentation](/content/guides/developer/webhook/trigger-ip/index.html).