Database Management Systems Mcqs

Page No. 90

Embedded pointer provide


aa secondary access path

✓


ba physical record key

✖


can inverted index

✖


dAll of the above

✖



The _____ command is used to allocates an extent for the table in SQL


aMODIFY ALLOCATES

✓


bMODIFY TABLE

✖


cALTER TABLE

✖


dREDEFINE TABLE

✖


View Answer MODIFY ALLOCATES

A condition that led to the development of databases was


aa demand for more data to support information needs

✖


ban increase in the amount of data handled by organizations

✖


cthe proliferation of data files

✖


dAll of the above

✓


View Answer All of the above

A _____ Contains fields of data about one entity.


aRecord

✓


bFile

✖


cFields

✖


dDocument

✖


View Answer Record

The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types.


aDatabase

✖


bTable

✖


cFlat file

✓


dData structure

✖


View Answer Flat file

A multiple-form file management system


alets you define different forms for different operations

✖


blets you create a look-up form with an associated read-only password to prevent access by unauthorized users

✖


cboth (a) and (b)

✓


dallow you to entry data in all the forms

✖


View Answer both (a) and (b)

What software packages are commonly used for businesses that have to track extensive lists of clients and inventory?


aSpecial purpose packages

✖


bCustom made programs

✖


cSingle function application packages

✖


dData management packages

✓



One approach to standardizing storing of data


aMIS

✖


bstructured programming

✖


cCODASYL specifications

✓


dNone of the above

✖



One data dictionary software package is called


aDB/DC dictionary

✓


bTOTAL

✖


cACCESS

✖


dany of the above

✖


View Answer DB/DC dictionary

The modify operation is likely to be done after


aDelete

✖


bLook-up

✓


cInsert

✖


dAll of the above

✖


View Answer Look-up

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