Does the chain algorithm produce an answer to the query

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Reference no: EM131212289

Apply the Chain Algorithm to the mediator query

With the following adornments at the sources for R, S, and T. If there is more than one adornment for a predicate, either may be used.

In each case: v

i. Indicate all possible orders in which the subgoals can be resolved.

ii. Does the Chain Algorithm produce an answer to the query?

iii. Give the sequence of relational-algebra operations needed to compute the intermediate relation X at each step and the result of the query.

Reference no: EM131212289

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