DBMS, Database Management System

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WHAT IS DBMS

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Explain the Check Clause The CHECK clause is employed to at the end of a CREATE TABLE statement specify table constraints. This is known as table-based constraint because it ap

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List the internal controls that should be in effect solely because a EDP system is employed, classifing them as (1) Those controls pertaining to input of information and (2) All ot

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Equi join-table handling, Equi Join: A join in which the joining condition...

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What is null, What is NULL? Simply NULL means not in value.

What is NULL? Simply NULL means not in value.

What is message switching, What is Message switching Message switching ...

What is Message switching Message switching transmits data units which can be arbitrarily long. Packet switching has a utmost packet size, if any message longer than that, it s

Key constraint - relational constraints, This constraint shows that the key...

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Write short note on data models, Write short note on Data models? Data...

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List two restrictions that are applied on the modification, List two restri...

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