Introduction to SQL Multiple Choice Questions and Answers 1 pdf eBooks Download

Learn introduction to sql multiple choice questions (MCQs), db test 1 online for exams. Practice nested subqueries MCQs questions and answers on nested subqueries, aggregate functions, additional basic operations, set operations with answers. Free introduction to sql quiz, online study guide has helping answer key with choices as sql:1999, sql:1998, sql:2000 and sql:2001 of multiple choice questions (MCQ) as with clause, was introduced in to test learning skills for viva exam preparation and job's interview questions. Study to learn nested subqueries quiz questions to practice online MCQs for competitive exam preparation test.

MCQ on Introduction to SQL Quiz pdf Download Test 1

MCQ. With clause, was introduced in

  1. SQL:1998
  2. SQL:1999
  3. SQL:2000
  4. SQL:2001


MCQ. To specify duplicate retention, we can use keyword in place of distinct, which is

  1. Select distinct
  2. Duplicate
  3. Whole
  4. All


MCQ. An identifier, that is used to rename a relation is referred to as a

  1. Input variable
  2. Clone name
  3. Correlation name
  4. Table alias


MCQ. Exist construct returns true as a value, if argument subquery is

  1. Empty
  2. Not empty
  3. Exist
  4. Not exist


MCQ. If any of input values is null, result of an arithmetic expression, would be

  1. 0
  2. Null
  3. 1
  4. Undefined