Frequently Asked Questions in Computer Science Interview PDF Download

Learn frequently asked questions in computer science interview, sql FAQs for online MCQs based test prep. These frequently asked questions has multiple choice questions (MCQ), sql quiz questions and answers as occurrence of null values are specified to user in sql environment by , answer key with choices as nulls begin and nulls end, nulls atomic and nulls end, nulls first and nulls last and start nulls and last nulls for competitive exam preparation. Free frequently asked questions are to learn frequently asked questions in computer science interview quiz online with MCQs to practice test questions with answers.

FAQs Frequently Asked Questions in Computer Science Interview PDF Download

MCQ. Occurrence of null values are specified to user in SQL environment by

  1. nulls begin and nulls end
  2. nulls atomic and nulls end
  3. nulls first and nulls last
  4. start nulls and last nulls

C

MCQ. A temporary view in SQL standard is expressed in terms of

  1. Itself
  2. Attributes
  3. Environment
  4. Structure

A

MCQ. Recursive queries can be used to express

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

D

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

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

A

MCQ. Clause used to define limited form of recursion, supported by SQL standard is said to be

  1. recursive clause
  2. declare recursive clause
  3. with recursive clause
  4. define recursive clause

C