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WGU Question and answers verified to pass 2024

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  • Course
  • WGU D427
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  • WGU D427

WGU Question and answers verified to pass 2024 WGU - Pre-Assessment: Data Management - Applications (FJO1) (PFJO) A salesperson is authorized to sell many products and a product can be sold by many salespersons. Which kind of binary relationship does this scenario describe? - correct answe...

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  • September 1, 2024
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  • WGU D427
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Academia199
WGU - D427 - Data Management -
Applications - PreAssessment
San Francisco, CA 94110


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How many attributes are present in the address fragment?


-1


-2


-3


-4


4




The Package table has the following columns:


Weight—decimal


Description—optional variable length string

,LastChangedDate—date


TrackingNumber—integer


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


- Weight


- Description


- LastChangedDate


- TrackingNumber


Tracking Number




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


- DATE


- DATETIME


- DECIMAL

,- BIGINT


DATETIME




Which SQL command is an example of data definition language (DDL)?


- UPDATE


- ALTER


- SELECT


- DELETE


CREATE, ALTER, OR DROP




How would a database engine process an update that violates a RESTRICT
referential integrity constraint?


- The offending value would be set to the database default.


- The update would be rejected by the database.


- The offending value would be changed to NULL.

, - The updated value would flow to the primary key.


The update would be rejected by the database.




Which restriction applies when using a materialized view?


- The users of the view must provide search terms.


- The underlying data must be periodically refreshed.


- The tables referenced in the view must be indexed.


- The rows in the table must be compressed.


The underlying data must be periodically refreshed.




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


- SELECT M.Title, A.Actor FROM Movie M, Actor A


WHERE M.ActorID = A.ID

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