フリー問題

MySQL 8.0 Database Administrator のフリー問題 14 / 20 問目

問題文

A team has to pick which statements to tune first from a list that shows both the average duration and the number of executions. Which figure orders that list best?

選択肢

  1. The best order comes from the prefix index that the monitored period accumulated altogether.
  2. The best order comes from the file handle that the monitored period accumulated altogether.
  3. The best order comes from the total duration that the monitored period accumulated altogether.
  4. The best order comes from the adaptive hash that the monitored period accumulated altogether.

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