Question: Understanding of query containment concept and algorithms. Question : Consider the set of conjunctive queries with comparison operators < and > . Prove that the

Understanding of query containment concept and algorithms.

Question : Consider the set of conjunctive queries with comparison operators

<

and

> .

Prove that the homomorphism theorem for conjunctive queries proved in the class extends to these queries or provide an example that shows it does not hold for them.

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To address this question lets first understand the concepts involved Conjunctive Queries and Homomorphism Theorem Conjunctive Queries CQs These are a ... View full answer

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