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Database Systems Exam Prep MCQs – Mock Test 124

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The Aggregate Functions MCQ with Answers PDF (Aggregate Functions Multiple Choice Questions (MCQs) PDF e-Book) download Ch. 15-124 to learn Database Systems Practice Tests. Learn Introduction to SQL Test PDF, Aggregate Functions Multiple Choice Questions (MCQ Quiz) for master's degree in computer science. Download the Aggregate Functions MCQs App: Free Database Systems MCQs App to learn sql data definition, java database connectivity (jdbc), application performance, aggregate functions test prep to study online certification courses.

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 e-Book to download free chapter for computer majors.

Aggregate Functions MCQ – Mock Test 124 PDF Download

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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