Multiple choice

Which of the following layers of query processing decomposes the distributed calculus query into an algebraic query on global relations?

  1. Data localisation

  2. Global query optimisation

  3. Query decomposition

  4. None of these

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

This is the layer of query processing that decomposes the distributed calculus query into an algebraic query on global relations.