PL / SQL || JOINS || CURSOR ||EXCEPTION HANDLING||TRIGGER|| PROCEDURE || ITERATIVE&CONTROL || %TYPE

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cursor is a database object that allows us to retrieve and manipulate each row one at a time. A cursor is nothing more than a row pointer. It is always used alongside a SELECT command in SQL.
An SQL trigger is a database object that is associated with a table and automatically executes a set of SQL statements when a specific event occurs on that table. Triggers are used to enforce business rules, maintain data integrity, and automate certain actions within a database.
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Видео PL / SQL || JOINS || CURSOR ||EXCEPTION HANDLING||TRIGGER|| PROCEDURE || ITERATIVE&CONTROL || %TYPE канала Huda Academy