Join Expressions MCQs & Quiz Online PDF Book Download

Join expressions MCQs, join expressions quiz answers to learn data analytics courses online. Sql concepts and queries multiple choice questions (MCQs), join expressions quiz questions and answers for data analytics masters programs online. Integrity constraints, sql data types and schemas, join expressions test prep for big data certification.

Learn sql concepts and queries test MCQs: to specify a normal join, using keyword inner is, with choices mandatory, optional, independent, and free for data analytics masters programs online. Practice assessment test for scholarships, online learning join expressions quiz questions for competitive assessment in computer science major for big data certification.

MCQ on Join Expressions Quiz Book Download

MCQ: To specify a normal join, using keyword inner is

  1. Mandatory
  2. Optional
  3. Independent
  4. Free

B

MCQ: Join preserves tuples only in relation named after right outer join operation, is to be

  1. Right outer join
  2. Right inner join
  3. Left inner join
  4. Left outer join

A

MCQ: ON predicate is written like a

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

C

MCQ: To specify that a normal join is to be used, a join clause can specify inner join instead of

  1. Outer join
  2. Natural join
  3. Outer right join
  4. Outer left join

A

MCQ: Left outer join preserves tuples only in relation named before

  1. Right outer join operation
  2. Right inner join operation
  3. Left inner join operation
  4. Left outer join operation

D