What are two virtual tables available during database trigger execution ?

ORACLE Interview Questions and Answers (Part 3)

(Continued from previous question...)

469. What are two virtual tables available during database trigger execution ?

The table columns are referred as OLD.column_name and NEW.column_name.
For triggers related to INSERT only NEW.column_name values only available.
For triggers related to UPDATE only OLD.column_name NEW.column_name values only available.
For triggers related to DELETE only OLD.column_name values only available.

(Continued on next question...)

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