Database Management Systems Mcqs

Page No. 58

The database design prevents some data from being represented due to _______


aDeletion anomalies

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bInsertion anomalies

✓


cUpdate anomaly

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dNone of the mentioned

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View Answer Insertion anomalies

McFadden has defined normalization in his which book___________


aDatabase modern management

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bManagement database of modern

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cModern database management

✓


dDatabase management

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Which is primarily the result of a thorough understanding of information about an enterprise:


aData

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bDatabase

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cDatabase design

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dData modeling

✓


View Answer Data modeling

Which s essential a business problem not a data problem:


aData

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bDatabase

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cDatabase design

✓


dAll of the mentioned

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View Answer Database design

____________ allows individual row operation to be performed on a given result set or on the generated by a selected by a selected statement.


aProcedure

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bTrigger

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cCurser

✓


dNone of the Mentioned

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View Answer Curser

Some of the utilities of DBMS are _____________
i) Loading
ii) Backup
iii) File organization
iv) Process Organization


ai, ii, and iv only

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bi, ii and iii only

✓


cii, iii and iv only

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dAll i, ii, iii, and iv

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View Answer i, ii and iii only

______________ requires that data should be made available to only authorized users.


aData integrity

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bPrivacy

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cSecurity

✓


dNone of the Mentioned

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View Answer Security

____________ is a special type of stored procedure that is automatically invoked whenever the data in the table is modified.


aProcedure

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bTrigger

✓


cCurser

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dNone of the Mentioned

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View Answer Trigger

Which of the following is not the function of client?


aCompile queries

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bQuery optimization

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cReceive queries

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dResult formatting and presentation

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View Answer Query optimization

____________ is a combination of two of more attributes used as a primary key


aComposite Key

✓


bAlternate Key

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cCandidate Key

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dForeign Key

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View Answer Composite Key

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