Which system variable tells how far into the rest of each incomplete p – InterviewSolution

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1.	Which system variable tells how far into the rest of each incomplete plan the optimizer should look to evaluate whether it should be expanded further?(a) optimizer_prune_level(b) optimizer_search_depth(c) optimizer_search(d) optimizer_prune
Answer» The correct option is (b) optimizer_search_depth For explanation: In MySQL, the optimizer_search_depth system variable tells how far into the “future” of each incomplete plan the optimizer should look to evaluate whether it should be expanded further.

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