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Introduction to DML triggers
A trigger is like a stored procedure that automatically (and atomically) executes on a given condition, for instance when you insert a record into a table. Used properly, this is a powerful tool to...
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Using OUTPUT with DML statements
The OUTPUT clause allows you to combine DML statements with a kind of SELECT statement on the rows affected by the DML operation. This is a powerful way to visualize what records were touched by your...
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Using MERGE as a single INSERT or UPDATE
The MERGE statement is a very powerful way to combine INSERT, UPDATE and/or DELETE in a single statement. But there’s more than meets the eye. There are situations where you could use a MERGE statement...
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