How to force-free memory from deleted entries in internal tables in SAP ABAP, since the garbage collector won't touch these. This is only needed in rare occasions and/or when memory fragmentation needs to be avoided. This method will do it fast, and correctly: CLASS cl_demo DEFINITION . PUBLIC SECTION . CLASS - METHODS compact CHANGING ct_tab TYPE ANY TABLE . ENDCLASS . CLASS cl_demo IMPLEMENTATION . METHOD compact . FIELD-SYMBOLS : <lt_buffer> TYPE ANY TABLE , <lt_buffer_std> TYPE STANDARD TABLE , <ls_buffer> TYPE any , <ls_buffer_prev> TYPE any . DATA : ltr_buffer TYPE REF TO data , lsr_buffer TYPE REF TO data , l_kind TYPE c LENGTH 1 . " simple case: IF ct_tab IS INITIAL . FREE ct_tab . RETURN . ENDIF . CREATE DATA ltr_buffer LIKE ct_tab . DESCRIBE TABLE...