Hi, I've found following answer:
>sapdb does not support BEFORE event triggers.
>If you want to check some constraints
>before deleting a row, you must execute this check in an AFTER event >trigger
>and
>rollback the statement, if the constraint isn't fulfilled.
>The statement will be rollbacked automatically, if the trigger returns >via a
>STOP statement with a negative return code.
>Thomas >SAP Labs Berlin
but it was 2001 I.
Is it still actual? Or maybe it is (or will be soon) possible to create "before delete" trigger.
Thanx a lot, Piotr
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