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SQL Data Definition MCQs Quiz Online PDF Download eBook

Solve SQL Data Definition Multiple Choice Questions (MCQ), sql data definition quiz answers PDF database practice test for online degree programs. Learn introduction to sql Multiple Choice Questions and Answers (MCQs), "SQL Data Definition Quiz" questions and answers for computer science programs. Learn basic structure of sql queries, nested subqueries, modification of database, additional basic operations test prep for computer software engineer.

"The command that is used to add attributes to an existing relation, is said to be" Multiple Choice Questions (MCQ) on sql data definition with choices alter, modify, tailor, and eliminate for computer science programs. Practice sql data definition quiz questions for merit scholarship test and certificate programs for cheapest online computer science degree.

MCQs on SQL Data Definition PDF Download eBook

MCQ: The command that is used to add attributes to an existing relation, is said to be

  1. Alter
  2. Modify
  3. Tailor
  4. Eliminate


MCQ: The term that allows specification of not only a set of relations, but also information about each relation, is known as

  1. Data manipulation language
  2. Data Declaration language
  3. Data Declaration language
  4. Data Definition language


MCQ: When comparing a char type with a varchar type, one may expect extra spaces to be added to the

  1. char type
  2. varchar type
  3. Both A and B
  4. None of the above


MCQ: Any tuple in the relation must correspond to values of the primary key attributes of some tuple in relation s, is said to be

  1. Unique key attribute
  2. Primary key attribute
  3. Candidate key attribute
  4. Foreign key attribute


MCQ: All tuples in the relation are assigned null as the value for the new attribute, in the

  1. Tailor command
  2. Eliminate command
  3. Alter command
  4. Modify command