The Query Builder is a visual component that allows creating queries visually. Creating a query using a designer allows complete controlling the query parameters and building of complex conditions of data selection using simple visual user interaction. The picture below shows the Query Builder dialog:

Control Panel. Contains the Save button (saves the query) and the Close button (closes the query builder);

Query tree panel. This panel shows the query tree.

Query design panel. This panel is an area in which the query is visually represented. In this area, you can determine the initial database objects and derived data sources, as well as define relations between data sources, configure the data source properties, and references.

bar databases. This panel displays the database and included in her data sources;

Table panel. This panel shows a table in which rows are data columns used in the query and columns are operations. In this table, you can define data columns, aliases, sorting type, sorting order, grouping, criteria.

This panel displays a query built on the panel as a code.

The Query Builder contains the View tab, which provides an opportunity to display data columns selected by the query. There operations in the query should also be taken into account. The picture below shows the View tab in the Query Builder:

Click the Save button to add the created query text into the Query Text field.