This is an extensive ABAP Reports document that covers followings topics in detail
- Classical Reports: These are the simplest reports. Programmers learn this one first. It is just an output of data using the Write statement inside a loop.
- Interactive Reports: In simple Interactive reports are nothing but which were user interface the name itself signifies that it interacts with the users
- Logical Database: A logical database is a special ABAP program which combines the contents of certain database tables
- ABAP Query