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SQL Concepts and Queries MCQ App | Database Systems e-Book PDF Download

Database Systems Entrance Tests: Practice Test 34 (Chapter 21)

SQL Concepts and Queries Multiple Choice Questions (MCQ) PDF Download - 34

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The SQL Concepts and Queries Multiple Choice Questions (MCQ Quiz) with Answers PDF (SQL Concepts and Queries MCQ PDF e-Book) download Ch. 21-34 to learn Database Systems Course. Solve Database Views Multiple Choice Questions (MCQs), SQL Concepts and Queries quiz with answers PDF for computer science online degree programs. Free SQL Concepts and Queries MCQ App Download: Database Systems MCQ e-Book PDF to learn integrity constraints career test for top online computer science programs.

The MCQs: AN SQL view is said to be updatable, if the Select clause contains; "SQL Concepts and Queries" App (Android, iOS) with answers: only 2 attribute names, only 1 attribute names, only 3 attribute names, and only 4 attribute names for computer science online degree programs. Practice Ordered Indices Quiz Questions, download Apple Book (Free Sample) for online computer science engineering.

SQL Concepts and Queries MCQ with Answers PDF Download: Quiz 34

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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