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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.
What is first normal form? The domain of attribute must contain only atomic (simple, indivisible) values.
What is a database? Database - Basically in simple terms A database is a collection of inter related data and/or information stored so which it is available to several users
A distributed database is defined as "a collection of multiple logically interrelated database which are physically distributed over a computer network" (a) Give any three advan
What is storage manager? A storage manager is a program module that gives the interface between the Low level data kept in a database and the application programs
explain ER Modeling?
In Database software have only pure security or some dis secured by administrator?
Creation of Indexes Automatically: When a primary key or Unique constraint is show in a table definition then a unique index is formed automatically. Manually: User can
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