Multiple choice

Which of the following schemas in a distributed database specifies that the fragments are really the logical portions of the global relation which are physically dispersed at different sites of the network, and defines at which site a fragment is allocated?

  1. Global schema

  2. Fragmentation schema

  3. Allocation schema

  4. Local mapping schema

  5. Data dictionary
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This schema in a distributed database specifies that the fragments are really the logical portions of the global relation, which are physically dispersed at different sites of the network, and defines at which site a fragment is allocated.

Keep practicing — related questions