SQL

Oracle ENABLE Trigger

Published by : Obay Salah , December 3, 2024

The ALTER TRIGGER statement is used to enable a trigger.SyntaxALTER TRIGGER trigger_name ENABLE;    Parameterstrigger_na... Continue Reading

SQL

Oracle DISABLE Trigger

Published by : Obay Salah , December 3, 2024

The ALTER TRIGGER statement is used to disable a trigger.SyntaxALTER TRIGGER trigger_name DISABLE;    Parameterstrigger_... Continue Reading

SQL

Oracle DROP Trigger

Published by : Obay Salah , December 3, 2024

In Oracle, DROP TRIGGER statement is used to drop the trigger if you find that you need to remove it from the database.SyntaxDROP TRIGGER tr... Continue Reading

SQL

Oracle After INSERT/UPDATE/DELETE Trigger

Published by : Obay Salah , December 3, 2024

This statement specifies that Oracle will fire this trigger AFTER the INSERT/UPDATE or DELETE operation is executed.SyntaxCREATE [ ... Continue Reading

SQL

Oracle Before INSERT/UPDATE/DELETE Trigger

Published by : Obay Salah , December 3, 2024

This statement specifies that Oracle will fire this trigger BEFORE the INSERT/UPDATE or DELETE operation is executed.SyntaxCREATE [&nbs... Continue Reading

SQL

Oracle Trigger

Published by : Obay Salah , December 3, 2024

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

SQL

Oracle Cursor

Published by : Obay Salah , December 3, 2024

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, DELETE or... Continue Reading

SQL

Oracle Function

Published by : Obay Salah , December 3, 2024

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 be declared and de... Continue Reading

SQL

Oracle Procedures

Published by : Obay Salah , December 3, 2024

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 or... Continue Reading

SQL

Oracle Semi Join

Published by : Obay Salah , December 2, 2024

Semi-join is introduced in Oracle 8.0. It provides an efficient method of performing a WHERE EXISTS sub-query.A semi-join returns one copy of each row... Continue Reading