ABAP by Ajay

         * The purpose of persistence class is to perform data base operations like insert, update, delete.          *  The persistence class name must start with CL.          *  While creating the persistence class create 2 helper class automatically. Those helper classes are CA and CB.         *CA is called as actor class or agent class and CB is called base class.

  1. Goto  SE38 . 2. Give  program name  and click on  create . 3. Give  title  and  click on save . 4. Write  code. REPORT  zab_rp_oops_pfstatus_ucomm . TABLES :   ekko , ekpo . TYPES :   BEGIN  OF  ty_ekko ,          ebeln  TYPE  ekko - ebeln ,          bukrs  TYPE  ekko - bukrs ,          bstyp  TYPE  ekko - bstyp ,          bsart  TYPE  ekko - bsart ,         END  OF  ty_ekko . TYPES :   BEGIN  OF  ty_ekpo ,          ebeln  TYPE  ekpo - ebeln ,          ebelp  TYPE  ekpo - ebelp ,         ...

  1. Goto  SE38 . 2. Give  program name  and click on  create . 3. Give  title  and  click on save . 4. Write  code. REPORT  zab_rp_oops_facto_double_click . TABLES :   ekko , ekpo . TYPES :   BEGIN  OF  ty_ekko ,          ebeln  TYPE  ekko - ebeln ,          bukrs  TYPE  ekko - bukrs ,          bstyp  TYPE  ekko - bstyp ,          bsart  TYPE  ekko - bsart ,         END  OF  ty_ekko . TYPES :   BEGIN  OF  ty_ekpo ,          ebeln  TYPE  ekpo - ebeln ,          ebelp  TYPE  ekpo - ebelp ,        ...