SAP ABAP

DATA : gv_string        TYPE  string  VALUE  'DM999999999999' ,      gv_string_final  TYPE  string ,      lv_mod           TYPE  i ,      gv_length        TYPE  i ,      gv_offset        TYPE  i . gv_length  =  strlen (  gv_string  ) . DO  gv_length  TIMES .    CONCATENATE  gv_string_final gv_string+gv_offset ( 1 )  INTO  gv_string_final .    IF  sy - index  =  gv_length .   "exit on reaching last caracter      EXIT .    ENDIF .    IF  sy - index  =  2 .      CONCATENATE  gv_string_final...

BDC (Batch Data Communication): It works on the principle of Screen Recording It is one of the data migration technique to transfer the data from legacy system(Non SAP System) to SAP system.  Transaction code to work with BDC is 'SHDB'. There are 3 methods for BDC Call Transaction Method Session Method Direct Input Method Note: Do not use F4 or F1 while recording and make sure passing correct data Call Transaction Method: Syntax: CALL TRANSACTION T-code name using (Internal Table) MODE (A/N/E) UPDATE  (A/S/L) name MESSAGE INTO (Internal Table) Goto T-code 'SHDB'. Click on 'new recording'. Enter Recording name and T-code you want recording (Eg:MM01). Click on 'Start Recording'.   MM01 screen will appear  Enter the required data Click on 'Select Views' Select 'Basic Data1' and continue.    Enter data and click on 'Save'. Click on 'Save' and 'Back'. Select the Recording and click on 'Program' Enter Program ...