Topics going to cover in this blog

The SAP-ABAP project development follows the ASAP(Accelerated SAP) methodology.It involves the following 6 steps:

1. Development Servers.
2. Testing Servers.
3. Production Servers.
4. Implementation Servers.
5. Go live.
6. Support & Maintenance.

Development servers may be N number of servers but Testing and Production servers is only one.Go live involves brief technical demonstration.

The following topics are to be covered in this blog:

1. Data types.
2. Field symbols.
3. Control statements.
4. Structures.
5. Internal tables.
6. ABAP dictionary.
7. Module Programming or Modularization Techniques.
Types of Sub-routines :
7.1 Macro
7.2 Form
7.3 Function
8. Dialog Programming. - Used to design screen.
8.1 Selection Screen
8.2 Screen Painter
8.3 Menu Painter
8.4 Messages
8.5 Transaction Code
9. Report Creation or List Processing. - Used to create reports.
Types of Reports:
9.1 Standard
9.2 Classical
9.3 Interactive
10. Logical database.
11. File handling.
12. SAP script or Form painter. - Used to create printable reports with logos, pictures, etc.,
13. Smart Forms.
14. BDC(Batch Data Communication)
15. LSMW(Legacy System Migration Workbench)
16. RFC(Remote Function Call)
17. ALE(Application Link Enabling)
18. IDOC(Intermediate Document)

BDC and LSMW are used to migrate and uploading data from NON-SAP system to SAP.

RFC, ALE and IDOC are cross application techniques and used to establish connection between different servers.
IDOC is like a container to carry data between different servers.