1. 程式人生 > >[轉]Oracle left join \ right join

[轉]Oracle left join \ right join

select 1 from a,b where a.id=b.id(+)

等同於 a left join b on a.id=b.id

select 1 from a,b where a.id(+)=b.id

等同於 a right join b on a.id=b.id

在 MS SQL 中,寫作 *= 和 =*

 

來自:http://www.cnblogs.com/yeyerl/p/7682081.html