Things like Report Name,Programmer Name ,Request For Change(RFC)

 number, Change History Etc.

 Includes like programTOP for data declaration, programF01 for form routines

 programO01 for PBO modules,programI01 for PAI modules Etc.

 Here declare all the tables by using TABLES keyword.

 Any type pools used in the report like VRM(for use with ListBox)

 should be declared here using TYPE-POOLS command.

 Any type sused should be deined here by using TYPES keyword.

 All constants should be declared here starting with C_name using

keyword CONSTANTS.

 All data variables decalred with DATA keyword should be here

 All structures declared with DATA should be here.

 All internal tables should be declared here.

 All the ranges defined in the program using RANGES statement should be declared here.

INITIALIAZATION.

ENDFORM.

 Variables should have descriptive names if possible .Variable names having meaningful words should be  separated by '_' like  CUST_NAME .Suitable 1st letter should be used with variables  to suggest their type and purpose like :

 W_   Normal work variables declared with DATA statement

         e.g. DATA: W_NAME.

 TY_   All types declared in the program shold start from TY_

 C_    Constants

 P_    Parameter

 S_    Select Options

 R_    Range Table

 T_     Structure

  I_      internal Table 

 

Every ABAP statement should be on single line e.g.In case of SELECT

statement to retrieve records every clause like FROM ,WHERE etc should be on

diferent line.

e.g.

SELECT matnr mtart meins

        FROM mara

        WHERE ersda =

ENDSELECT.

Pretty painter should be used to indent the code properly.

Every customer table name should begin with z and 2nd and 3rd character should

represent the application to which that table belongs e.g.

SD sales and distribution

MM material management

QM Quality mangement

BC Basis components.

 The rest part of the table name shopuld be descriptive as much as possible.

The delivery class of tables should be 'A' and 'C' .

 

 

 Every program before relesing it should be properly documented . Short comments should be inserted at every important junction in the program

describing the purpose of code .

When doing modification to an existing program the 10 digit change request

should be inserted where the changes or addition has been done. The existing

code should be commented out with change request number instead of deleting it.