Home Database Mysql Tutorial Oracle针对某列让特定信息排序[decode]

Oracle针对某列让特定信息排序[decode]

Jun 07, 2016 pm 05:01 PM

在ORACLE查询中,如果在没有排序,但又想让某列中特定值的信息排到前面的时候,使用oracle的decode(字段,

在Oracle查询中,如果在没有排序,但又想让某列中特定值的信息排到前面的时候,使用oracle的decode(字段,'字段值',数字)

如 select name from user 查询出来的所有数据,如果想让  结果排到前面,则使用如下:

select name from user order by decode(name,'张三',0)

同理,如果想让李四排到第二的话,,可以继续增加decode方法

select name from user order by decode(name,'张三',0),  decode(name,'李四',1)

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