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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.
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what is attribute is attribute inheritance in dbms?
Type of views : Simple views and Difficult Views Feature Simple Views Complex Views Number of tables One
After the completion of the logical model the physical model is to be made. The oracle 10 G will be used as a database server and all the tables with their column are created and i
intent locking
In Database software have only pure security or some dis secured by administrator?
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