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Database Systems Entrance Exam MCQs – Mock Test 21

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MCQ 101: The data values stored in the database must satisfy certain types of:

  1. Data constraints
  2. Consistency constraints
  3. Type constraints
  4. Format constraints

MCQ 102: The relational model has reigned supreme among other data models, over the period:

  1. 1950s
  2. 1960s
  3. 1970s
  4. 1980s

MCQ 103: Any tuple in the relation must correspond to values of the primary key attributes of some tuple in relation s, is said to be:

  1. Unique key attribute
  2. Primary key attribute
  3. Candidate key attribute
  4. Foreign key attribute

MCQ 104: All the statements between the keywords begin atomic ...end form a/an:

  1. Single transaction
  2. NO transaction
  3. Multiple transactions
  4. 2 parallel transactions only

MCQ 105: The user instructs the system to perform a sequence of operations on the database to compute the desired outcome, is known as:

  1. Programming language
  2. Query program
  3. Procedural language
  4. Nonprocedural language

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