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UGC NET CSE | August 2016 | Part 3 | Question: 8

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The Global conceptual Schema in a distributed database contains information about global relations. The condition that all the data of the global relation must be mapped into the fragments, that is, it must not happen that a data item which belongs to a global relation does not belong to any fragment, is called :

  1. Disjointness condition
  2. Completeness condition
  3. Reconstruction condition
  4. Aggregation condition
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UGC NET CSE | June 2016 | Part 3 | Question: 8
In distributed databases, location transparency allows for database users, programmers and administratirs to treat the data as if it is at one location, A SQL query with location transparency needs to specify Inheritances Fragments Locations Local formats
In distributed databases, location transparency allows for database users, programmers and administratirs to treat the data as if it is at one location, A SQL query with ...
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