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Database Systems Quiz App Download - Set Operations PDF e-Book

Database Systems Practice Test 23

Set Operations Quiz Questions with Answers PDF Download - 23

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The Quiz: The SQL set operations include "Set Operations" App (iOS, Android) with answers: intersect, union, and except to learn online certificate courses. Study Introduction to SQL Questions and Answers, Apple e-Book to download free sample for computer software engineer online degree.

Set Operations Quiz with Answers PDF Download: MCQs 23

MCQ: 111

The SQL set operations include

  1. Union
  2. Intersect
  3. Except
  4. All of the Above
MCQ: 112

The predicated that succeeds if the value on which it is applied is not null, is known to be

  1. Is Not Null
  2. Is Null
  3. Not Null
  4. Null
MCQ: 113

The error that causes loss of the data of volatile storage, and halts the transaction processing is known as

  1. System error
  2. Application error
  3. System crash
  4. Transaction error
MCQ: 114

Mapping of conceptual schema using the entity-relationship model into a relation schema, is achieved at the stage

  1. Physical-design phase
  2. Contextual-design phase
  3. Virtual-design phase
  4. Logical-design phase
MCQ: 115

Durability can be ensured in different

  1. 2 ways
  2. 3 ways
  3. 4 ways
  4. 5 ways

Database Systems Exam Prep Tests

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Set Operations Apps (Android & iOS)

Set Operations App

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

DataBase Management System (MCS) App

MCQsLearn: All-in-One Courses Apps (Android & iOS)

MCQsLearn: All-in-One Courses App

Electronic Circuit Design Apps (Android & iOS)

Electronic Circuit Design App