ABAP Programming Overview

ABAP Programming Overview ABAP Course Outline       Chapter Chapter Chapter Chapter : Introduction to ABAP : List Processing in ABAP : Open SQL & Internal Table : Event-driven Programming & Selection Screen Chapter : Modularization & Catch Statement Chapter : Message, Debugging, File Transfer and Type Group ABAP Chapter    Introduction to SAP Architecture ABAP Overview Data Object in ABAP SAP System : Tier Client/Server SAP GUI SAP GUI SAP GUI Presentation Server SAP Application Server DB Server SAP SYSTEM (3 Tier Architecture) SAP GUI SAP GUI Presentation Layer (Windows based) SAP Instance Application Layer Dispatcher (Windows Server/UNIX) M Request Queue SAP Buffer (Shared Mem) D D B V S E G Oracle Database Layer Informix (Windows Server/UNIX) Database Server DB2 MS SQL Server MaxDB Dialog Processing SAP System : Dialog Processing SAP GUI Report zpsm1 Reques t Application Server Tables customers List Select single * from Generate 10 Screen(List) Send Request Store request to queue customers where id = Write: / customersname Dispatcher Send List Request Queue Send request to 4WP D SAP Buffer Search for free WP Check Program in Program Buffer D D … Program Table D … Database Server SQL Reques t Load&Gen Program Execute ABAP statem ent Dialog Work Process Architecture Dialog Work Process Local Memory TaskHandler Memory Space ABAP Processor List buffer DYNPRO Processor DB Interface Result Set Memory Database Server ABAP Programming Overview ABAP Overview MOVE … IF DATA WHILE WRITE SEARCH SELECT *Comment LOOP AT DO ... Memory Database Server ABAP Programming Overview ABAP Overview MOVE … IF DATA WHILE WRITE SEARCH SELECT *Comment LOOP AT DO ABAP Advanced Business Application Programming ABAP Feature  ... events ABAP   Operating/Database system-independent programming ABAP contains a subset of SQL called Open SQL for comfortable database access for various database ABAP Programming   ABAP Report.. .ABAP Course Outline       Chapter Chapter Chapter Chapter : Introduction to ABAP : List Processing in ABAP : Open SQL & Internal Table : Event-driven Programming & Selection