When you first enter the Database Reference, the following message will appear:
Click OK to proceed to the DBMS Platform Selector:
Once you select a DBMS, the setting will remain as long as you are in the Database Reference.
You can avoid this step by permanently setting your default DBMS in the /siteconf/siteconf.php
configuration file. See Setup for more information.
Whether or not you configure a default DBMS, you can always select a new DBMS through the Platform Selector. If the DBMS is already set, the following message will appear:
Click OK to proceed to the DBMS Platform Selector. The new DBMS setting will remain as long as you are in the Database Reference.