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  1. Categories >> Software >> MainFrame >> IBM MainFrame >> COBOL
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What are differences between Static Call and Dynamic Call?

Question Posted / siri

Answer Posted / siri

STATIC CALL:-
------------
STATIC CALL IS IDENTIFIED BY A CALL IS
LITERAL..EX:-CALL'PGM1'....COMPILER OPTION IS NO DYNAM...ALL LITERAL CALLS ARE CONSIDER AS STATIC CALLS...OBJECT CALLS ARE LINKED BEFORE THE EXECUTION..STATIC CALL IS FAST..LOAD MODULE WILL BE LARGE....LESS FLEXIBLE...SUB PROGRAMS UNDERGOES TO CHANGE NEED TO RECOMPILE MAIN PRG ALSO..

DYNAMIC CALL:-
------------
IDENTIFIED BY A CALL IS VARIABLE...MOVE 'PGM1' TO WS-PGM
CALL 'WS-PGM'
COMPILER OPTION IS DYNAM...OBJECT CODS ARE LINKED DURING THE EXECUTION....SO PRG FIRST MOVE TO THE WORKING STORAGE VARIABLE AND NEST CALL THE WORKING STORAGE VARIABLE...PROCESS IS SLOW SO DYNAMIC CALL IS SLOW COMPARE TO STATIC CALL.....ITS NO NEED TO RECOMPILE THE MAIN PROGRAM
WHEN EVER THE SUB PROGRAM UNDER GOES TO CHANGE...THIS IS THE
MAIN ADVANTAGE IS IN DYNAMIC CALL....

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