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Database Systems MCQs – Practice Test 34 (Chapter 21)

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Learn SQL Concepts and Queries Multiple Choice Questions (MCQ Quiz) with Answers PDF for remote SQL training. Download the SQL Concepts and Queries MCQ PDF e-Book, Ch. 21-34 to learn Database Systems Course. Solve Database Views Multiple Choice Questions (MCQs), SQL Concepts and Queries quiz with answers PDF to build database knowledge. Free SQL Concepts and Queries MCQ App: Download the Database Systems Learning App to learn integrity constraints career test to support DBMS learning.

Download the SQL Concepts and Queries Learning App (Android & iOS): Complex set of rules about when inserts, updates, and deletes can be executed on a view, was introduced in; MCQ with answers: sql:1998, sql:1997, sql:1999, and sql:2000. Practice Ordered Indices Quiz Questions, download Apple Book (Free Chapter) for remote SQL training.

SQL Concepts and Queries MCQ – Practice Test 34 PDF Download

MCQ 166: AN SQL view is said to be updatable, if the Select clause contains:

  1. Only 1 attribute names
  2. Only 2 attribute names
  3. Only 3 attribute names
  4. Only 4 attribute names

MCQ 167: Complex set of rules about when inserts, updates, and deletes can be executed on a view, was introduced in:

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

MCQ 168: The term which means checking immediately by default,but can be deferred when desired, makes the constraint alternatively:

  1. Non-deferrable
  2. Initially deferred
  3. Deferrable
  4. Previously deferred

MCQ 169: AN SQL view is said to be updatable, if clause contains only attribute names of the relation i.e.:

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

MCQ 170: The constraint specification would be checked at the end of a transaction, and at:

  1. Initially
  2. Not at Immediate steps
  3. Before transaction's start
  4. Meanwhile transaction

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