Database Management Systems Mcqs

Page No. 96

In SQL, which command is used to changes data in a table?


aUPDATE


bINSERT


cBROWSE


dAPPEND


View Answer UPDATE

In a relational schema, each tuple is divided into fields called


aRelations


bDomains


cQueries


dAll of the above


View Answer Domains

In SQL, which command is used to add a column/integrity constraint to a table


aADD COLUMN


bINSERT COLUMN


cMODIFY TABLE


dALTER TABLE


View Answer ALTER TABLE

An operation that will increase the length of a list is


aInsert


bLook-up


cModify


dNone of the above


View Answer Insert

Data security threats include


ahardware failure


bprivacy invasion


cfraudulent manipulation of data


dAll of the above


View Answer privacy invasion

If a calculation is embedded in a form


athe result of the calculations are stored with the form


bthe calculations are stored with the form


cthe result of the calculations are printed in report


dAll of the above



The Management Information system (MIS) structure with one main computer system is called a


ahierarchical MIS structure


bdistributed MIS structure


ccentralized MIS structure


ddecentralized MIS structure



If you want to group the records in the abc database, you could use the Jobcode as the _____.


aDelete


bUpdate


cSort Key


dIndex


View Answer Sort Key

A number of related records that are treated as a unit is called


afile


bfield


cdata


dbatch


View Answer file

In SQL, which command is used to add new rows to a table?


aALTER TABLE


bADD ROW


cINSERT


dAPPEND


View Answer INSERT

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