The ALTER TRIGGER statement is used to enable a trigger. Syntax ALTER TRIGGER trigger_name ENABLE; Parameters trigger_name: It specifies the name of the trigger that you want to…

The ALTER TRIGGER statement is used to disable a trigger. Syntax ALTER TRIGGER trigger_name DISABLE; Parameters trigger_name: It specifies the name of the trigger that you want to…

In Oracle, DROP TRIGGER statement is used to drop the trigger if you find that you need to remove it from the database. Syntax DROP TRIGGER trigger_name;…

This statement specifies that Oracle will fire this trigger AFTER the INSERT/UPDATE or DELETE operation is executed. Syntax CREATE [ OR REPLACE ] TRIGGER trigger_name AFTER INSERT or UPDATE or DELETE  ON table_name   [ FOR EACH ROW ] DECLARE    — variable declarations BEGIN…

This statement specifies that Oracle will fire this trigger BEFORE the INSERT/UPDATE or DELETE operation is executed. Syntax CREATE [ OR REPLACE ] TRIGGER trigger_name BEFORE INSERT or UPDATE or DELETE  ON table_name   [ FOR EACH ROW ] DECLARE    — variable declarations BEGIN…

In Oracle, you can define procedures that are implicitly executed when an INSERT, UPDATE or DELETE statement is issued against the associated table. These procedures…

A cursor is a pointer to a private SQL area that stores information about the processing of a SELECT or DML statements like INSERT, UPDATE,…

A function is a subprogram that is used to return a single value. You must declare and define a function before invoking it. It can…

A procedure is a group of PL/SQL statements that can be called by name. The call specification (sometimes called call spec) specifies a java method…