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mysql sql limit where having order_MySQL

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mysql sql limit where having order

 

mysql sql limit

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SQL语句执行顺序及MySQL中limit的用法   

.  

 写的顺序:select ... from... where.... group by... having... order by..   执行顺序:from... where...group by... having.... select ... order by...  

 

   

MYSQL中:

  

写的顺序:select ... from... where.... group by... having... order by.. limit [offset,] (rows)   执行顺序:from... where...group by... having.... select ... order by... limit

 

 

limit限制查询的结果序号

 

 limit off, n: 从off偏移取n个数据  

 

 limit n: 取前n个数据,相当于limit 0, n

 

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