为什么limit前面加上order by 索引查询性能会更好？

时间：2017-06-17 来源：作者：

为什么limit前面加上order by 索引查询性能会更好?SELECT * FROM sys_client LIMIT 100000,10 耗时:0.0004而:SELECT * FROM sys_client ORDER BY id DESC ...

为什么limit前面加上order by 索引查询性能会更好?SELECT * FROM sys_client LIMIT 100000,10 耗时:0.0004而:SELECT * FROM sys_client ORDER BY id DESC ...

为什么limit前面加上order by 索引查询性能会更好?SELECT * FROM sys_client LIMIT 100000,10 耗时:0.0004而:SELECT * FROM sys_client ORDER BY id DESC ...

为什么limit前面加上order by 索引查询性能会更好?SELECT * FROM sys_client LIMIT 100000,10 耗时:0.0004而:SELECT * FROM sys_client ORDER BY id DESC ...

为什么limit前面加上order by 索引查询性能会更好?SELECT * FROM sys_client LIMIT 100000,10 耗时:0.0004而:SELECT * FROM sys_client ORDER BY id DESC ...

为什么limit前面加上order by 索引查询性能会更好?SELECT * FROM sys_client LIMIT 100000,10 耗时:0.0004而:SELECT * FROM sys_client ORDER BY id DESC ...

为什么limit前面加上order by 索引查询性能会更好?SELECT * FROM sys_client LIMIT 100000,10 耗时:0.0004而:SELECT * FROM sys_client ORDER BY id DESC ...

为什么limit前面加上order by 索引查询性能会更好?SELECT * FROM sys_client LIMIT 100000,10 耗时:0.0004而:SELECT * FROM sys_client ORDER BY id DESC ...

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