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Which is a valid trigger.BEFORE TRIGGERBEFORE UPDATE TRIGGERAFTER TRIGGERNone of the mentioned

Question

Which is a valid trigger.

  1. BEFORE TRIGGER
  2. BEFORE UPDATE TRIGGER
  3. AFTER TRIGGER
  4. None of the mentioned
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Solution

The valid triggers are:

  1. BEFORE TRIGGER
  2. AFTER TRIGGER

The term "BEFORE UPDATE TRIGGER" is not typically used as a standalone term in SQL. Instead, you might see something like "BEFORE UPDATE" as part of a trigger definition, specifying that the trigger should run before an update operation is performed.

"None of the mentioned" is not a valid trigger. It's a phrase often used in multiple choice questions to indicate that none of the previously listed options are correct. In this case, it's not applicable because the first two options are valid triggers.

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