Tell me something about ABAP Query ?

Answer

The ABAP Query application is used to create reports not already present in SAP system. It has been designed for users with little or no knowledge of the ABAP programming. ABAP Query offers users a broad range of ways to define reports and create different types of reports such as basic lists, statistics, and ranked lists.
The ABAP Query comprises four components:

1. Queries
2. InfoSets
3. User Groups
4. Translation of Query