Clicking this action item launches the Connect to Database Wizard. From this wizard you can select a predefined connection. A new SQL Editor tab is launched where you

To read more about the SQL Editor, see Section 16.5.7, “SQL Editor”.

Open Connection to start Querying (icon)

If you already have created a connection to a database it will appear in this panel as an icon. Double-clicking the icon will directly launch a SQL Editor tab, and connect you to the database as defined by the connection.

To read more about the SQL Editor see Section 16.5.7, “SQL Editor”.