Test Bank for Database Systems, 14th Edition by Carlos Coronel .pdf

,CHAPTER 1: DATABASE SYSTEMS
m m m




1. Datamand minformation maremessentially mthemsamemthing.
a. True
b. False

ANSWER:m False
PTS: 1 DIF: Difficulty:mEasy REF: p.4
NAT:m BUSPROG:mTechnology STATE:m DISC:mInformation mTechnologies
KEY:m Bloom's:mKnowledge TOP: DatamversusmInformation

2. Datamprocessingmcan mbemasmsimplemasmorganizingmdatamto mrevealmpatterns.
a. True
b. False

ANSWER:m True
PTS: 1 DIF: Difficulty:mEasy REF: p.4
NAT:m BUSPROG:mTechnology STATE:m DISC:mInformation mTechnologies
KEY:m Bloom's:mKnowledge TOP: DatamversusmInformation

3. Datamismthemresultmof mprocessingmrawmfactsmto mrevealmitsmmeaning.
a. True
b. False

ANSWER:m False
PTS: 1 DIF: Difficulty:mEasy REF: p.4
NAT:m BUSPROG:mTechnology STATE:m DISC:mInformation mTechnologies
KEY:m Bloom's:mKnowledge TOP: DatamversusmInformation

4. When mdatamarementered minto mamformmand msaved,mthey maremplaced min mthemunderlyingmdatabase masmknowledge.
a. True
b. False

ANSWER:m False
PTS: 1 DIF: Difficulty:mModerate REF: p.4
NAT:m BUSPROG:mAnalytic STATE: DISC:mInformation mTechnologies
KEY:m Bloom's:mComprehension TOP: DatamversusmInformation

5. Datamconstitute mthembuildingmblocksmof minformation.
a. True
b. False

ANSWER:m True
PTS: 1 DIF: Difficulty:mEasy REF: p.4
NAT:m BUSPROG:mTechnology STATE:m DISC:mInformation mTechnologies
KEY:m Bloom's:mKnowledge TOP: DatamversusmInformation




6. Metadatamdescribemthemdatamcharacteristicsmand mthemsetmofmrelationshipsmthatmlinksmthemdatamfoundmwithin
mthe mdatabase.

, a. True
b. False

ANSWER:m True
PTS: 1 DIF: Difficulty:mEasy REF: p.6
NAT: BUSPROG:mTechnology STATE: DISC:mInformation mTechnologies
KEY: Bloom's:mKnowledge TOP: IntroducingmthemDatabase

7. Themonly mway mto maccessmthemdatamin mamdatabase mismthrough mthemDBMS.
a. True
b. False

ANSWER:m True
PTS: 1 DIF: Difficulty:mModerate REF: p.6
NAT:m BUSPROG:mAnalytic STATE: DISC:mInformation mTechnologies
KEY:m Bloom's:mComprehension TOP: IntroducingmthemDatabase

8. Database mprogrammingmlanguagesmreceivemallmapplicationmrequestsmandmtranslatemthemminto mthemcomplex moperati
onsmrequired mto mfulfillmthosemrequests.
a. True
b. False

ANSWER:m False
PTS: 1 DIF: Difficulty:mModerate REF: p.6
NAT:m BUSPROG:mAnalytic STATE: DISC:mInformation mTechnologies
KEY:m Bloom's:mComprehension TOP: IntroducingmthemDatabase

9. ThemDBMSmrevealsmmuch mof mthemdatabase’sminternalmcomplexity mto mthemapplication mprogramsmand musers.
a. True
b. False

ANSWER:m False
PTS: 1 DIF: Difficulty:mModerate REF: p.6
NAT:m BUSPROG:mAnalytic STATE: DISC:mInformation mTechnologies
KEY:m Bloom's:mComprehension TOP: IntroducingmthemDatabase

10. Onemdisadvantage mof mthemDBMSmismthatmitmincreasesmthemrisk mof mdatamsecurity mbreaches.
a. True
b. False

ANSWER:m False
PTS: 1 DIF: Difficulty:mEasy REF: p.7
NAT:m BUSPROG:mTechnology STATE:m DISC:mInformation mTechnologies
KEY:m Bloom's:mKnowledge TOP: IntroducingmthemDatabase




11. An moperationalmdatabase mismsometimesmreferred mto masman menterprise mdatabase.
a. True
b. False

, ANSWER:m False
PTS: 1 DIF: Difficulty:mEasy REF: p.9
NAT:m BUSPROG:mTechnology STATE:m DISC:mInformation mTechnologies
KEY:m Bloom's:mKnowledge TOP: IntroducingmthemDatabase

12. Amdatamwarehouse mcan mstoremdatamderived mfrommmany msources.
a. True
b. False

ANSWER:m True
PTS: 1 DIF: Difficulty:mEasy REF: p.9
NAT:m BUSPROG:mTechnology STATE:m DISC:mInformation mTechnologies
KEY:m Bloom's:mKnowledge TOP: IntroducingmthemDatabase

13. Themsamemdatammightmbemsimultaneously mstructured mand munstructured mdependingmon mthemintended mprocessing.
a. True
b. False

ANSWER:m True
PTS: 1 DIF: Difficulty:mModerate REF: p.9
NAT: BUSPROG:mAnalytic STATE: DISC:mInformation mTechnologies
KEY: Bloom's:mComprehension TOP: IntroducingmthemDatabase

14. Corporationsmusemonly mstructured mdata.
a. True
b. False

ANSWER:m False
mPTS: 1 DIF: Difficulty:mModerate REF: p.10
NAT:m BUSPROG:mAnalytic STATE: DISC:mInformation mTechnologies
KEY:m Bloom's:mComprehension TOP: IntroducingmthemDatabase

15. Field mrefersmto mamcollection mof mrelated mrecords.
a. True
b. False

ANSWER:m False
PTS: 1 DIF: Difficulty:mEasy REF:
p.15 mNAT:m BUSPROG:mTechnology STATE:m DISC:mInformation mTechnologies
KEY:m Bloom's:mKnowledge TOP:m Evolution mof mFilemSystemmDatamProcessing

16. Structuralmdependencemexistsmwhenmitmismpossiblemtommakemchangesmin mthemfilemstructuremwithoutmaffecting
mthe mapplication mprogram’s mability mto maccess mthe mdata.

a. True
b. False


ANSWER:m False
PTS: 1 DIF: Difficulty:mModerate REF:
p.19 mNAT:m BUSPROG:mAnalytic STATE:m DISC:mInformation mTechnologies
KEY:m Bloom's:mComprehension TOP: Problemsmwith mFilemSystemmDatamProcessing

17. Datamanomalymismdefinedmasmthemcondition min mwhich mallmofmthemdataminmthemdatabasemaremconsistentmwith mthe
mreal-mworld mevents mand mconditions.