Share some MTA 98-364 exam questions and answers below.
Which constraint ensures a unique value in the ID column for each customer?
A. DISTINCT
B. FOREIGN KEY
C. SEQUENTIAL
D. PRIMARY KEY
Answer: D
Which command should you use to give a user permission to read the data in a table?
A. ALLOW SELECT
B. LET READ
C. PERMIT READ
D. GRANT SELECT
Answer: D
You execute the following statement:
SELECT EmployeeID, FirstName, DepartmentName
FROM Employee, Department
This type of operation is called a/an:
A. intersection.
B. outer join.
C. equi-join.
D. Cartesian product.
Answer: D
At 3:00 P.M. (1500 hours), you create a backup of your database. At 4:00 P.M. (1600 hours), you create a table named Customer and import data into the table. At 5:00 P.M. (1700 hours), your server fails.
You run a script to apply only the 3:00 P.M. backup to your database.
What is the result of the script?
A. The Customer table no longer exists.
B. The Customer table is unaffected.
C. The Customer table exists but has no data.
D. The script fails.
Answer: A
Which statement will result in the creation of an index?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: A
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