sql按照in排序
有时候我们需要按照in条件里的id顺序输出结果，可sql语句在不加order by的时候是按照asc排序的，下边的sql解决按照in条件顺序的id输出查询结果MySQL写法:
SELECT * FROM EVENT WHERE eventId IN(443,419,431,440,420,414,509)ORDER BY INSTR(',443,419,431,440,420,414,509,',CONCAT(',',eventId,','))
Oracle写法:
select name from order where oderid in（111,222,333,444,555,666）order by instr('111,222,333,444,555,666',orderid)
sqlserver写法：
Select * From Product Where> Access:
select * From 表 Where> MSSQL:
select * From 表 Where> MySQL:
select * From 表 Where>
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