Multiple choice technology databases

The OLD and NEW Qualifier is used in which type of trigger?

  1. Row level DML trigger

  2. Statement level DML trigger

  3. System trigger

  4. Application Trigger
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A Correct answer
Explanation

OLD and NEW qualifiers reference row values before and after the triggering DML operation. They are only available in row-level DML triggers because statement-level triggers have no specific row context. System and application triggers don't use row qualifiers.

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