WGU D427 DATA MANAGEMENT APPLICATIONS OA EXAM LATEST 2024

WGU D427 DATA MANAGEMENT APPLICATIONS OA EXAM LATEST 2024 ACTUAL 150Q
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UESTIONS WITH DETAILED ANSWERS /A+ GRADE ASSURED r r r r r r




The definition of how datain
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a database willbe orga-
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nized.
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The basis of interact-
- Create
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ing with databases canb
- Read
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e defined using the CRU
- Update
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D acronym. Whatdoes
- Delete
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CRUD stand for? r r




WhatistheDATEdatatypes r r r r r

DATE:YYYY-MM-DD
yntax?
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DATETIME:YYYY-MM-
WhatistheDATETIMEda
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DDHH:MM:SS
tatype syntax?
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r




It will have 3 numbers be-
WhatdoesDECIMAL(3,2)i
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fore the decimal and 2 af-
ndicate?
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ter. r




a series of commands store
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d on the database. This allo
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ws the reuse of longordetail
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edqueriesin-
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Stored Procedures
stead of writing them for eac
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h use. It also providesa safe
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way to deal with sensitive da
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ta, especially
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1r/r30

,WGU D427 DATA MANAGEMENT APPLICATIONS OA EXAM LATEST 2024 ACTUAL 150Q
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UESTIONS WITH DETAILED ANSWERS /A+ GRADE ASSURED r r r r r r




withthoseunfamiliarwithS r r r r




QL syntax. r




involves instructing the DB r r r




MS software on what tables r r r r r




will be in the data-
Datadefinitionlanguage(
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base, what attributes will be
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DDL)
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in the tables, which at-
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tributes will be indexed, and
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so forth. r




refers tothe four basic op- r r r r r




erationsthatcanandmustbe
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performed on data stored in
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any DBMS (or r r




in any other data storage arr
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angement, for that mat- r r r guages (DMLs)
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ter): data retrieval, data upd
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ate, insertion of new records r r r r




,anddeletionofex-
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isting records.
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SELECT *
What would the SELECTs
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FROM CUSTOMER WHE
tatement look like if youus
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RECUSTNUMBBE-
e a BETWEEN.
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r r

TWEEN 1 AND 2;
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2r/r30

,WGU D427 DATA MANAGEMENT APPLICATIONS OA EXAM LATEST 2024 ACTUAL 150Q
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UESTIONS WITH DETAILED ANSWERS /A+ GRADE ASSURED r r r r r r




SELECT * r




What would the SELECTs FROM CUSTOMER WH
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tatement look like if youus ERE HQCITY IN('At-
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e a IN.
r r lanta','Chicago','Washing- r r




ton'); r




SELECT * r

What would the SELECTs
FROM CUSTOMER W
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tatement look like if youus
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HEREHQCITYLIKE'W
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e a LIKE.
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%';
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A% - r




The "%" means thatany stri
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ng of characters canfollow
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afterwards.Thepercent sig r r r




n represents zeroormorear
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bitraryreg-ular characters
What are the two ways of usi
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ngtheLIKEcommand?
A_ -
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r




The _ means that there will
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be exactly one letterfollow
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ing the A.Theunderscore r
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epresents asingle arbitrar r r r




y regular character.
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Theclausecanincludethete r r r r r

The default order for OR-
rm ASC at the end to makea
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DER BY is ascending.
scendingexplicitor
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r r



3r/r30

, WGU D427 DATA MANAGEMENT APPLICATIONS OA EXAM LATEST 2024 ACTUAL 150Q
r r r r r r r r r r r


UESTIONS WITH DETAILED ANSWERS /A+ GRADE ASSURED r r r r r r




How can you make it de-
r r r r r itcanincludeDESCforde-
r r r r r




scending order?
r r scending order. r




IBM published in Commu-
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There are two specifica-r r r




tions to make in the SE-
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LECTstatementtomakeajo
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in work.r




Example of JOIN CAUSE. r r r




In 1970, Dr.
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of r




4r/r30