mysql> set profiling=1;
mysql> select distinct(num) from test_test;
mysql> select num from test_test group by num;
mysql> show profiles;
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mysql> set profiling=1;
mysql> select distinct(num) from test_test;
mysql> select num from test_test group by num;
mysql> show profiles;
本文标题:MySQL - 命令行中监测语句执行效率
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