Are old and new references available for table level triggers?
OLD and NEW references are not available for table-level triggers, rather you can use them for record-level triggers. Lees verder »
What is new and old in triggers?
About OLD and NEW Pseudorecords For the row that the trigger is processing: For an INSERT trigger, OLD contains no values, and NEW contains the new values. For an UPDATE trigger, OLD contains the old values, and NEW contains the new values. For a DELETE trigger, OLD contains the old values, and NEW contains no values. Lees verder »
What is the difference between table level trigger and row-level trigger?
Understand trigger differences. Statement-level triggers execute once per statement without row-specific access, while row-level triggers execute for each affected row and can access `OLD` and `NEW` row values. Lees verder »
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