MySQL考试

<{p}>Choose the best answer.<{br/}>You are having performance issues with MySQL instances.Those servers are monitored with MySQL Enterprise Monitor.<{br/}>Using Query Analyzer, where do you begin to look for problem queries?<{/p}>

发布于 2021-02-25 23:45:26

【单选题】
A Sort the"Exec" column and check for SQL queries with low Query Response Time index (QRTi) values.
B Look for queries with low total latency times in the Latency section in the times series graph.
C Sort the "Exec" column and check for SQL queries with high Query Response Time index (QRTi) values.
D Look for queries with big prolonged spikes in row activity/access graph in the times series graph.

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MY2021 2023-02-25

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