create table, Database Management System

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What are the advantages of creating a table from existing table?

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What is storage manager? A storage manager is a program module that gives the interface among the low level data keeps in a database and the application programs and queries su

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What function divides one numeric expression by another and returns the remainder? MOD function divides one numeric expression by another and returns the remainder.

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What is Alternate Key Alternate Key: This is the candidate key which is not taken as the primary key of the table. They are named so because although not the primary key, the

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Super keys of a relation can have extra attributes. Candidate keys are minimal super key, i.e. such a key have no extraneous attribute. An attribute is known as extraneous if even

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Explain the two types of participation constraint. 1. Total: The participation of an entity set E in a relationship set R is said to be total if each entity in E participates i

Components of database manager, Components of database manager The ab...

Components of database manager The above functions are reached by the database manager. The major elements of a database manager are: Authorisation control: This mod

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