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WGU D427 Database Management Applications Pre-Assessment And Objective Assessment Accurate And Verified Exams For Guaranteed Pass Latest Update$19.99
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WGU D427 Database Management Applications Pre-Assessment And Objective Assessment Accurate And Verified Exams For Guaranteed Pass Latest Update
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WGU D427 Database Management Applications
Institution
WGU D427 Database Management Applications
WGU D427 Database Management Applications Pre-Assessment And Objective Assessment Accurate And Verified Exams For Guaranteed Pass Latest Update
1. San Francisco, CA 94110 USA
How many attributes are present in the address fragment?
- 1
- 2
- 3
- 4--- correct answer --- 4
Which column should be designated the primary key for the Package table?
- Weight
- Description
- LastChangedDate
- TrackingNumber--- correct answer --- Tracking Number
3. Which data type will store "2022-01-10 14:22:12" as a temporal value
without loss of information?
,- DATE
- DATETIME
- DECIMAL
- BIGINT--- correct answer --- DATETIME
4. Which SQL command is an example of data definition language (DDL)?
- UPDATE
- ALTER
- SELECT
- DELETE--- correct answer --- CREATE, ALTER, OR DROP
5. 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.--- correct answer --- The
update would be rejected by the database.
6. 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.--- correct answer --- The
underlying data must be periodically refreshed.
7. 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
- SELECT M.Title, A.Actor FROM Movie M LEFT JOIN Movie MB ON
M.ID, Actor A
- SELECT M.Title, A.Actor FROM Movie M RIGHT JOIN Actor A ON
M.ActorID = A.Id
- SELECT M.Title, A.Actor FROM Movie M
INNER JOIN Actor A ON M.ActorID = A.ID--- correct answer --- SELECT
M.Title, A.Actor FROM Movie M
LEFT JOIN Movie MB ON M.ID Actor A
8. Assume there are two tables, A and B.
Which rows will always be included in the result set if Table A is inner
joined with Table B?
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