FAQs: Frequently Asked Questions in Computer Science Interview 23 PDF Book Download

Frequently asked questions in computer science interview: Q&A, learn online sql test prep 23 for distance education courses. Frequently asked questions in computer science interview to practice sql quiz with answers for college and university courses.

Practice frequently asked questions in computer science interview with multiple choice question (MCQs): recursive queries can be used to express, with choices embedded closure, prepared closure, callable closure, and transitive closure for online sql certifications. Learn sql queries questions and answers for scholarships exams' problem-solving, assessment test.

Quiz: Frequently Asked Questions in Computer Science Interview Worksheet 23 Download PDF

MCQ: Recursive queries can be used to express

  1. Embedded closure
  2. Prepared closure
  3. Callable closure
  4. Transitive closure

D

MCQ: Output generated by boolean expression 'False and unknown' is

  1. True
  2. False
  3. Unknown
  4. Null

B

MCQ: Use of SQL keyword distinct is not allowed to be called in combination of

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

D

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

  1. Drop about *example*
  2. Drop from *example*
  3. Delete from *example*
  4. Delete about *example*

B

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

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

A