select * from xxaa a,xxbb b where a.id(+)=b.idd;--右連接配接,以B表為基表,比對B表中的都輸出
select * from xxaa a,xxbb b where a.id=b.idd(+); --左連接配接,以A表為基表,比對A表的都輸出 相當于left join 和left outer Join
select * from xxaa a,xxbb b where a.id=b.idd; -- =連接配接 A,B表都比對才輸出
select * from xxaa a left join xxbb b on (a.id=b.idd); --左内連
select * from xxaa a right join xxbb b on (a.id=b.idd); --右内連
select * from xxaa a full join xxbb b on (a.id=b.idd); --完全連接配接 --A表和B表的 并集
select * from xxaa a inner join xxbb b on (a.id=b.idd); --内連接配接 --A表和B表的 交集
select * from xxaa a left outer join xxbb b on (a.id=b.idd);--左外連
select * from xxaa a right outer join xxbb b on (a.id=b.idd); --右外連
select * from xxaa a full outer join xxbb b on (a.id=b.idd); --完全外聯
select * from xxaa a join xxbb b on (a.id=b.idd); --相當于= 連接配接
本文轉自tiasys部落格園部落格,原文連結:http://www.cnblogs.com/tiasys/archive/2009/06/11/1501535.html,如需轉載請自行聯系原作者