Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
Document preview thumbnail
Preview 4 out of 57 pages
Exam (elaborations)

WGU D426 OA DATA MANAGEMENT FOUNDATIONS LATEST OBJECTIVE ASSESSMENT PREP TEST BANK WITH 300 REAL EXAM QUESTIONS WITH CORRECT ANSWERS D426 PREP FOR OA & PRE-ASSESSMENT

Document preview thumbnail
Preview 4 out of 57 pages

WGU D426 OA DATA MANAGEMENT FOUNDATIONS LATEST OBJECTIVE ASSESSMENT PREP TEST BANK WITH 300 REAL EXAM QUESTIONS WITH CORRECT ANSWERS D426 PREP FOR OA & PRE-ASSESSMENT

Content preview

WGUgD426g-gDatagManagementgFoundations
Studygonlinegatghttps://quizlet.com/_evoyts

1. Data numeric,gtextual,gvisual,gorgaudioginformationgthatgde-
gscribesgreal-worldgsystems.



2. analog Historically,gdatagwasgmostlyg ,gencod-
edgasgcontinuousgvariationsgongvariousgphysicalgmedia.

3. digital Today,gdatagisgmostlyg ,gencodedgas
zerosgandgonesgongelectronicgandgmagneticgmedia.

4. database agcollectiongofgdatagingagstructuredgformat.gIngprinciple,
cangbegstoredgongpapergorgevengclaygtablets.gIngpractice,g
however,gmoderngonesgareginvariablygstoredgongcom-
gputers.



5. databasegsystem softwaregthatgreadsgandgwritesgdatagingagdatabase.gen-
/gdatabasegman- gsuregdatagisgsecure,ginternallygconsistent,gandgavailable

gagementgsystemg gatgallgtimes.gThesegfunctionsgaregchallenginggforglargeg

/gDBMS databasesgwithgmanygusers,gsogdatagbasegsystemsgareg
complex.

6. databasegapplica- softwaregthatghelpsgbusinessgusersginteractgwithgdata-
gtion gbasegsystems.



7. databasegadminis- - responsiblegforgsecuringgthegdatabasegsystemgagainstg
gtrator unauthorizedgusers.
- enforcesgproceduresgforgusergaccessgandgdatabaseg
systemgavailability.

8. databasegdesignerg determinesgthegformatgofgeachgdatagelementgandgthe
overallgdatabasegstructure.gMustgbalancegseveralgprior-
gities,gincludinggstorage,gresponsegtime,gandgsupportgfor

grulesgthatggoverngthegdata.gSincegthesegprioritiesgofteng

conflict,gdatabasegdesigngisgtechnicallygchallenging.

9. databasegprogram- developsgcomputergprogramsgthatgutilizegagdatabase.
gmer



10. databaseguser -gagconsumergofgdatagingagdatabase.
request,gupdate,gorgusegstoredgdatagtoggenerategreportsg
orginformation.
1g/g57

, WGUgD426g-gDatagManagementgFoundations
Studygonlinegatghttps://quizlet.com/_evoyts
- usuallygaccessgthegdatabasegviagapplicationsgbutgcang
alsogsubmitgqueriesgdirectlygtogthegdatabasegsystem.
11. transaction aggroupgofgqueriesgthatgmustgbegeithergcompletedgor
rejectedgasgagwhole.gExecutiongofgsome,gbutgnotgall,gqueri
esgresultsginginconsistentgorgincorrectgdata.

12. querygprocessorg g g -ginterpretsgqueries,gcreatesgagplangtogmodifygthegdata-
basegorgretrievegdata,gandgreturnsgquerygresultsgtogtheg
application.
- managesgconnectionsgfromgmultiplegusersgandgcom-
gpilesgqueriesgintoglow-

levelginstructionsgforgthegstoragegengine.
13. querygoptimizationg Thegquerygprocessorgperformsg togen-
suregthegmostgefficientginstructionsgaregexecutedgongtheg
data.

14. indexes usedgbygthegstoragegmanagergtogquicklyglocategdata.

15. transactiongmanag- ensuresgtransactionsgaregproperlygexecuted.
ger



16. log agfilegcontaininggagcompletegrecordgofgallginserts,gup-
gdates,gandgdeletesgprocessedgbygthegdatabase.



17. relationalgdatabaseg storesgdatagingtables,gcolumns,gandgrows,gsimilargtoga
spreadsheet.

18. SQL
includesgstatementsgthatgreadgandgwritegdata,gcreat
egandgdeletegtables,gandgadministergthegdatabasegsyste
m.
19. biggdata Theggrowthgofgtheginternetgingtheg1990sggeneratedgmas-
sivegvolumesgofgonlinegdata,goftengwithgpoorlygstructuredg
orgmissingginformation.
20. NoSQL Thegnewergnon-relationalgsystems,gforg'notgonlygSQL',
andgaregoptimizedgforgbiggdata.

2g/g57

, WGUgD426g-gDatagManagementgFoundations
Studygonlinegatghttps://quizlet.com/_evoyts
21. Opengsource




3g/g57

, WGUgD426g-gDatagManagementgFoundations
Studygonlinegatghttps://quizlet.com/_evoyts
softwaregthatganyonegcanginspect,gcopy,gandgmodifygwithg
noglicensinggfee.
22. query agcommandgforgagdatabasegthatgtypicallyginsertsgnew
data,gretrievesgdata,gupdatesgdata,gorgdeletesgdatagfromg
agdatabase.

23. queryglanguage agcomputergprogrammingglanguagegforgwritinggdata-
basegqueries.

24. CRUD ThegfourgcommongqueriesgaregangacronymgforgCreate,
Read,gUpdate,gandgDeletegdata.

25. SELECT retrievesgdatagfromgagtable.

26. UPDATE modifiesgdatagingagtable.

27. CREATEgTABLE createsgagnewgtablegbygspecifyinggthegtablegandgcolumn
names.

28. datagtype Eachgcolumngisgassignedgag thatgindi-
catesgthegformatgofgcolumngvaluesgandgcangbegnumeric,gte
xtual,gorgcomplex.
29. databasegdesign agspecificationgofgdatabasegobjectsgsuchgasgtables,
columns,gdatagtypes,gandgindexes.gAlsogrefersgtogthegproc
essgusedgtogdevelopgthegspecification.

30. analysis
specifiesgdatabasegrequirementsgwithoutgregardgt
ogagspecificgdatabasegsystem.

31. ERgdiagrams depictsgentities,grelationships,gandgattributes.

32. logicalgdesign implementsgdatabasegrequirementsgingagspecificgdata-
basegsystem.gspecifiesgtables,gcolumns,gandgkeys.

33. key agcolumngusedgtogidentifygindividualgrowsgofgagtable.

34. tablegdiagram depictsgtheglogicalgdesign.

4g/g57

Connected book
 image
Publisher: 2015 ISBN: 9783110433074 Edition: Unknown

Document information

Uploaded on
April 6, 2025
Number of pages
57
Written in
2024/2025
Type
Exam (elaborations)
Contains
Questions & answers
$21.49

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Seller avatar
Reputation scores are based on the amount of documents a seller has sold for a fee and the reviews they have received for those documents. There are three levels: Bronze, Silver and Gold. The better the reputation, the more your can rely on the quality of the sellers work.
STUVIACOMW
4.8
(1083)
Sold
23
Followers
3
Items
526
Last sold
4 months ago


Reviews from verified buyers




Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their tests and reviewed by others who've used these notes.

Didn't get what you expected? Choose another document

No worries! You can instantly pick a different document that better fits what you're looking for.

Pay as you like, start learning right away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and aced it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions