# Open the Database Connection dialog box from PUC

Perform the following steps to open a new database connection in PUC:

1. Log on to PUC, then click on **File** > **Manage Data Sources.**

   The Manage Data Sources dialog box appears.
2. Select **New Connection** in the **More actions and options** menu.

   The Database Connection dialog box appears, as shown below:![Database Connection dialog box](/files/kiTuHkd7orD04QTYIZHN)
3. Enter your data connection information and test.

   See [Enter database connection information](/install/9.3-install/pentaho-configuration/tasks-to-be-performed-by-a-pentaho-administrator/define-data-connections/enter-database-connection-information.md) for further details.


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