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Database Systems Practice Test 376

Java Database Connectivity (JDBC) Multiple Choice Questions (MCQs) PDF Download - 376

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Java Database Connectivity (JDBC) MCQ Quiz with Answers PDF Download: Test 376

MCQ 1876:

JDBC does not specifies the

  1. Port number
  2. Application program interface
  3. Communication protocol
  4. Communication medium
MCQ 1877:

The SQL operations union, intersect, and except operate on

  1. Attributes only
  2. Tuples only
  3. Relations
  4. Specific data set
MCQ 1878:

A responsible subsystem for the allocation of buffer space is called the

  1. Buffer manager
  2. Buffer controller
  3. Buffer loader
  4. Buffer header
MCQ 1879:

The expression that would produce a relation containing the tuples in r but not in s, is

  1. r + s
  2. r - s
  3. r / s
  4. r ^ s
MCQ 1880:

The NOT NULL constraint excludes the null value from the

  1. Domain
  2. Attribute
  3. Definition
  4. Declaration

Database Systems Exam Prep Tests

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Java Database Connectivity (JDBC) App (Android & iOS)

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

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Sociology App (Android & iOS)

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