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what are triggers in sql
4 Respostas
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triggers are those programme which are executed when either deletion or creation or modification is done on data
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they are like watchman looking upon tables of database. If any modification done in it makes a indirect action accordingly
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creation,insert,
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AĀ triggerĀ is a special kind of stored procedure that automatically executes when an event occurs in the database server. DMLĀ triggersĀ execute when a user tries to modify data through a data manipulation language (DML) event. DML events are INSERT, UPDATE or DELETE statements on a table or view.