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Database Systems Practice Tests

Database Systems Online Tests

Set Operations Multiple Choice Questions (MCQ) PDF Download

The Set Operations Multiple Choice Questions (MCQ Quiz) with Answers PDF, Set Operations MCQ PDF Download e-Book to practice Database Systems Tests. Learn Introduction to SQL Multiple Choice Questions and Answers (MCQs), Set Operations quiz answers PDF to learn computer science courses. The Set Operations MCQ App Download: Free learning app for additional basic operations, aggregate functions, nested subqueries test prep for online degrees.

The MCQ: SQL uses special keyword in a predicate to test for a null value; "Set Operations" App Download (Free) with answers: Escape; Unknown; Known; Null; to learn computer science courses. Practice Set Operations Quiz Questions, download Google e-Book (Free Sample) for online computer engineering programs.

Set Operations MCQs: Questions and Answers PDF Download

MCQ 1: If any of the input values is null, the result of an arithmetic expression, would be

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

MCQ 2: SQL uses the special keyword in a predicate to test for a null value

  1. Escape
  2. Unknown
  3. Known
  4. Null

MCQ 3: The union operation automatically eliminates duplicates, unlike the

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

MCQ 4: Duplicate tuples must be eliminated, when the query uses the clause

  1. Select Clause
  2. Where Distinct Clause
  3. Select distinct Clause
  4. From Distinct Clause

MCQ 5: The SQL set operations include

  1. Union
  2. Intersect
  3. Except
  4. All of the Above

Database Systems Practice Tests

Set Operations Textbook App: Free Download Android & iOS

The App: Set Operations MCQs App to learn Set Operations Textbook, DataBase Management System (MCS) MCQ App, and Basic Computer Knowledge MCQ App. The "Set Operations MCQs" App to free download Android & iOS Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Set Operations App (Android & iOS)

Set Operations App (Android & iOS)

DataBase Management System (MCS) App (Android & iOS)

DataBase Management System (MCS) App (iOS & Android)

Basic Computer Knowledge App (Android & iOS)

Basic Computer Knowledge App (Android & iOS)

Thermodynamics App (Android & iOS)

Thermodynamics App (iOS & Android)