Query Analyzer
By entering SQL statements, you can perform create, read, update, and delete operations on database tables, views, stored procedures, functions, triggers, and events.
For example: To query the
USERNAMEfield of the table VJSP_USERS
The operation is as follows: On the database designer page, click 【Query Analyzer】to pop up the page and input the query SQL statement. Then click 【Execute】, as shown in the figure below: 
