我只检查查询本身的质量，然后从等式中删除PHP.使用类似 MySQL查询浏览器或

I you are only checking the quality of the query itself, then remove PHP from the equation. Use a tool like the MySQL Query Browser or SQLyog.

或者，如果您具有外壳访问权限，则直接连接.这些方法中的任何一种在确定查询的实际性能方面都将是优越的.

Or if you have shell access, just connect directly. Any of these methods will be superior in determining the actual performance of your queries.