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Database Systems Exam Prep: Mock Test 124

Aggregate Functions Multiple Choice Questions (MCQs) PDF Download - 124

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The MCQ: The result does not change but it is legal to use Distinct with; "Aggregate Functions" App (Free Android & iOS) with answers: max, min, and count for master's degree in computer science. Practice Introduction to SQL Questions and Answers, Google eBook to download free chapter for computer majors.

Aggregate Functions MCQ Quiz with Answers PDF Download: Test 124

MCQ: 616

The result does not change but it is legal to use Distinct with

  1. Min
  2. Max
  3. Both A and B
  4. Count
MCQ: 617

In the connection pooling, a pool refers to

  1. A set of open ODBC/JDBC connections
  2. A set of available ODBC/JDBC connections
  3. A set of closed ODBC/JDBC connections
  4. A set of similar ODBC/JDBC connections
MCQ: 618

Row sets can be scanned

  1. Backward
  2. Forward
  3. Modifying
  4. All of the Above
MCQ: 619

The command to drop some relation from the database is

  1. Drop about r
  2. Drop from r
  3. Delete from r
  4. Delete about r
MCQ: 620

The passing of a specific authorization from one user to another can be represented by an

  1. Authorization type
  2. Authorization model
  3. Authorization view
  4. Authorization graph

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