This control provides querying for relational databases. When When this control is selected, there appears a floating menu next to it. Click Edit button from that menu to open the Query Designer.
...
menu on the right side of it with the Query designer. When selecting the Data tab, under the Data Sources, there is an "Add New" button. One of the options is Database Query.
Query
Parameters
Target schema, table and to include all fields option is presented at this section.
...