For which trigger timing can you reference the new and old qualifiers?

The OLD and NEW qualifiers are used to reference the values of a column before and after the data change, respectively. The OLD and NEW qualifiers can be used only with row triggers. They cannot be used with statement triggers. Lees verder »

Which prefixes are available to Oracle triggers new only old only both new and old neither new nor old?

Answer. Both new and old are the prefix of Oracle Trigger. Therefore, "C" option is correct. Lees verder »

Bron: brainly.in

What is the rule of a trigger in a database?

A trigger rule identifies an activity that runs automatically when an object of a specific class is saved in or deleted from the PegaRULES database. It is an instance of the Rule-Declare-Trigger rule type. Lees verder »

What are the 12 types of triggers in Oracle with an example?

  • Row-Level Triggers. A row-level trigger occurs once for each row that a triggering event affects. ...
  • Statement-Level Triggers. ...
  • Database-Level Triggers. ...
  • DDL Triggers. ...
  • Instead of Triggers. ...
  • Compound Triggers. ...
  • System Triggers. ...
  • Database Event Triggers.
  • Lees verder »
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