0 Nested Structures in ABAP

Nested Structures in ABAP : Structure with in the another structure is called nested   structure We can declare the nested structure in 3 ways Way1: *&---------------------------------------------------------------------* *& Report  ZEBRA7 *& *&---------------------------------------------------------------------* *& *& *&---------------------------------------------------------------------* REPORT  ZEBRA7 NO STANDARD PAGE HEADING. *// declare the first structure data  : begin of stru1,        stuno type i,       stuname type  char10,      end of stru1. *// declare...

0 Constants in SAP ABAP

Constants in SAP ABAP : Constants refers to the fixed values that do not change during the execution of a program. A "constant" is a number, character, or character string that can be used as a value in a program. A constant can be a number, like 58 or 1.9 a character, like S or @ a character string, like "this is a SAP" Using "CONSTANTS" keyword we can declare Constants Syntax : CONSTANTS : <Name> TYPE <Data Type> VALUE <' number/character/character string'> EX :  *&---------------------------------------------------------------------* *& Report  ZCONSTANTS *& *&---------------------------------------------------------------------* *& *& *&---------------------------------------------------------------------* REPORT...