WGU D427 PA | DATA MANAGEMENT APPLICATIONS TEST (NEW 2026/2027) PRE- ASSESSMENT TEST QUESTIONS WITH VERIFIED ANSWERS| GRADED A+

WGU D427 PA | DATA MANAGEMENT
APPLICATIONS TEST (NEW 2026/2027)
PRE- ASSESSMENT TEST QUESTIONS
WITH VERIFIED ANSWERS| GRADED A+
Question:
Which SQL command is an example of data definition language (DDL)?
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- UPDATE
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- ALTER
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- SELECT
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- DELETE?
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Answer:
CREATE, ALTER, OR DROP
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Question:

How would a database engine process an update that violates a RESTRICT
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referential integrity constraint?
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- The offending value would be set to the database default.
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- The update would be rejected by the database.
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,- The offending value would be changed to NULL.
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- The updated value would flow to the primary key.?
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Answer:

The update would be rejected by the database.
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Question:
Which restriction applies when using a materialized view?
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- The users of the view must provide search terms.
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- The underlying data must be periodically refreshed.
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- The tables referenced in the view must be indexed.
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- The rows in the table must be compressed.?
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Answer:
The underlying data must be periodically refreshed.
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Question:

Which query illustrates performing an outer join of the Movie table with a
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different table? i,-




- SELECT M.Title, A.Actor FROM Movie M, Actor A
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WHERE M.ActorID = A.ID i,- i,- i,-

,- SELECT M.Title, A.Actor FROM Movie M
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i,- LEFT JOIN Movie MB ON M.ID, Actor A
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- SELECT M.Title, A.Actor FROM Movie M
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i,- RIGHT JOIN Actor A ON M.ActorID = A.Id
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- SELECT M.Title, A.Actor FROM Movie M
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i,- INNER JOIN Actor A ON M.ActorID = A.ID?
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Answer:
SELECT M.Title, A.Actor FROM Movie M
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LEFT JOIN Movie MB ON M.ID Actor A
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Question:
San Francisco, CA 94110
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USA

How many attributes are present in the address fragment?
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-1 i,-




-2 i,-




-3 i,-




- 4? i,-




Answer:

, 4




Question:

The Package table has the following columns:
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Weight—decimal

Description—optional variable length string i,- i,- i,-




LastChangedDate—date

TrackingNumber—integer

Which column should be designated the primary key for the Package
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table?


- Weight
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- Description
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- LastChangedDate
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- TrackingNumber?
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Answer:
Tracking Number i,-




Question:

Which data type will store "2022-01-10 14:22:12" as a temporal value
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without loss of information?
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