SQL Objective Questions and Answers PDF Download

Learn sql objective questions and answers, sql FAQs for online MCQs based test prep. These frequently asked questions has multiple choice questions (MCQ), sql quiz questions and answers as in sql "all attributes" can be displayed by using symbol , answer key with choices as ?, ^, & and * for competitive exam preparation. Free frequently asked questions are to learn sql objective questions and answers quiz online with MCQs to practice test questions with answers.

FAQs SQL Objective Questions and Answers PDF Download

MCQ. In SQL "all attributes" can be displayed by using symbol

  1. ?
  2. ^
  3. &
  4. *

D

MCQ. Output generated by boolean expression 'true and unknown' is

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

C

MCQ. Symbol

  1. Select clause
  2. Define clause
  3. From clause
  4. Where clause

A

MCQ. A powerful pattern matching operation named "similar to" was introduced in

  1. SQL:1997
  2. SQL:1998
  3. SQL:1999
  4. SQL:2000

C

MCQ. In SQL, output of a union operation automatically eliminates

  1. Non-Consistency
  2. Duplication
  3. Non-Integrity
  4. Unauthorization

B