SQL Practice Test 23

Frequently Asked Questions in Computer Science Interview PDF Download - 23

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SQL MCQ: Frequently Asked Questions in Computer Science Interview PDF Download - 23

MCQ 111: Recursive queries can be used to express

A) Embedded closure

B) Prepared closure

C) Callable closure

D) Transitive closure

MCQ 112: The output generated by the boolean expression 'False and unknown' is

A) True

B) False

C) Unknown

D) Null

MCQ 113: The use of SQL keyword distinct is not allowed to be called in combination of

A) Avg(*)

B) Max(*)

C) Sum(*)

D) Count(*)

MCQ 114: Correct SQL command to drop some relation from the database is

A) Drop about *example*

B) Drop from *example*

C) Delete from *example*

D) Delete about *example*

MCQ 115: A SQL clause that does not support partitioning, is called

A) Limit

B) Having

C) Order by

D) Group by

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