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The MCQ: If the where clause predicate evaluates to either false or unknown for a tuple, that tuple; "Database Systems" App (Android, iOS) with answers: is not added to result, is added to result, is sorted, and is stored for online master computer science. Practice Introduction to SQL Questions and Answers, Google Book to download free chapter for online college courses.

Set Operations MCQs – Mock Test 358 PDF Download

MCQ 1786: If the where clause predicate evaluates to either false or unknown for a tuple, that tuple:

  1. Is added to result
  2. Is not added to result
  3. Is stored
  4. Is sorted

MCQ 1787: Complex set of rules about when inserts, updates, and deletes can be executed on a view, was introduced in:

  1. SQL:1997
  2. SQL:1998
  3. SQL:1999
  4. SQL:2000

MCQ 1788: Because data stored is in different formats, writing new application programs to retrieve the appropriate data is:

  1. Simple
  2. Impossible
  3. Dependent
  4. Difficult

MCQ 1789: It is inconvenient to specify transitive closure using:

  1. Functions
  2. Processes
  3. Iteration
  4. Temporary tables

MCQ 1790: Histograms can be computed using:

  1. Population
  2. Average of data
  3. Sampling
  4. Hard data

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