Computer Science Online Courses

Chapter 20: Database Systems Exam Tests

Database Systems MCQs - Chapter 20

Relational Database Design Quiz Questions and Answers PDF - 7

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Relational Database Design Questions & Answers PDF Download: MCQ Quiz 7

MCQ 31: The creation of a pool in connection pooling, is the responsibility of

  1. Database administrator
  2. Roles granted
  3. Connection pool administrator
  4. Connection pool manager

MCQ 32: 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 33: To simplify Armstrong's axioms, the additional rules includes union rule, decomposition rule and

  1. Transitivity rule
  2. Pseudotransitivity rule
  3. Reflectivity rule
  4. Disjoint rule

MCQ 34: The term that means the value of the data at a particular point in time, is said to be

  1. Interval data
  2. Temporal data
  3. Chunked data
  4. Snapshot data

MCQ 35: The object known to be similar to a ResultSet object of JDBC, is

  1. DataResult
  2. DataSet
  3. DataMatrix
  4. DataGrids

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