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What is database Trigger?
A database trigger is a PL/SQL block that can explained to automatically execute for insert, update, and delete statements against a table. The trigger can e defined to execute once for the entire statement or once for each row that is inserted, updated, or deleted. For any one table, there are twelve events for which you can explain database triggers. A database trigger can call database procedures that are also written in PL/SQL.
Write short notes on extension and intension? In any data model, it is significant to distinguish among the description of the database and the database itself the description
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what is attribute is attribute inheritance in dbms?
Meaningful use refers to the use of certified EHR technology to "enhance quality, efficiency, and reduce health disparities
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