SAP ITAB CHANGE LINE documentation, setup help and example usage

ARTICLE

Changing Individual Rows of Internal Tables
You can change individual rows of internal tables as follows:

Using the MODIFY statement

By change access to field symbols that are assigned to individual table rows using the ASSIGNING addition to the statements

APPEND , COLLECT , INSERT
, LOOP AT itab ,
MODIFY itab , and READ TABLE

By dereferencing data references that indicate table rows using the REFERENCE INTO addition to the statements

APPEND , COLLECT , INSERT
, LOOP AT itab ,
MODIFY itab , and READ TABLE , and the subsequent change access to the assigned field symbol.

Note for Sorted Tables and Hashed Tables
In all change accesses to individual rows of sorted tables and hashed tables , you must not change the content of the table key.