What does an EXEC SQL stmt do in ABAP? What is the disadvantage of using it

hi,
What does an EXEC SQL stmt do in ABAP? What is the disadvantage of using it?
regards.

sorry, question resolved.

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    Moderator Message: Please read the [Forum ROE|https://wiki.sdn.sap.com/wiki/display/HOME/RulesofEngagement] before posting
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