[摘要]+---------------+----------+1 row in set (0.00 sec)mysql> show global status like com_select;+--...
+---------------+----------+
1 row in set (0.00 sec)
mysql> show global status like 'com_select';
+---------------+------------+
关键词：MySQL几点重要的性能指标计算与优化的办法代码总结