There are two or more options on this tab depending on which screen you are on:
Choose a table from the database and display its information
This option starts a visual wizard that allows you to choose a table from your database. You can then filter and sort the information, and select columns to display.
Manually enter an SQL statement
This is for advanced users, such as programmers and IT Professionals, who have a good understanding of SQL (Structured Query Language). SQL is very powerful and allows summarising information from databases.