SAP ABAP Question:
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What are the difference between call screen and leave screen?

Answer:

Call Screen: Calling a single screen is a special case of embedding a screen sequence. If you want to prevent the called screen from covering the current screen completely, you can use the CALL SCREEN statement with the STARTING AT and ENDING AT

CALL SCREEN 1000.
CALL SCREEN 1000 STARTING AT 10 10 ENDING AT 20 20.
LEAVE SCREEN statement ends the current screen and calls the subsequent screen.
LEAVE SCREEN.
LEAVE TO SCREEN 2000.

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