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SQL Entrance Tests: Mock Test 23

Frequently Asked Questions in Computer Science Interview PDF Download - 23

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The MCQs: Recursive queries can be used to express "Frequently Asked Questions in Computer Science Interview" App (Android, iOS) with answers: prepared closure, embedded closure, transitive closure, and callable closure for online computer engineering classes. Solve sql questions and answers, Google Book to download free sample for top computer science schools in the world.

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

MCQ: 111

Recursive queries can be used to express

  1. Embedded closure
  2. Prepared closure
  3. Callable closure
  4. Transitive closure
MCQ: 112

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

  1. True
  2. False
  3. Unknown
  4. Null
MCQ: 113

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

  1. Avg(*)
  2. Max(*)
  3. Sum(*)
  4. Count(*)
MCQ: 114

Correct SQL command to drop some relation from the database is

  1. Drop about *example*
  2. Drop from *example*
  3. Delete from *example*
  4. Delete about *example*
MCQ: 115

A SQL clause that does not support partitioning, is called

  1. Limit
  2. Having
  3. Order by
  4. Group by

SQL Entrance Tests: SQL App & eBook MCQs

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