Go to Preferences -> Data Sources. In the Connections panel click the New button.
Enter a unique name for this connection and select one of the previously configured Tamino data sources from the Data Source combo box.
Fill-in the Connection Details:
URI to the installed Tamino engine
User name to access the Tamino database engine
Password to access the Tamino database engine
The name of the database to access from the Tamino database engine. Choose the Select button to display all databases on the specified server in an additional dialog box. You can then choose the desired database. This feature works only with databases that have been created starting with version 4.2.1. In all other cases, a message appears saying that a list of databases is not available.
Check this if you want to see the Tamino system collections in the Data Source Explorer.
Click OK.