主 題:這句sql語句可不可以變成連接查詢的呢? 作 者:overmind (overmind) 等 級: 信 譽 值:100 所屬社區:oracle 開發 問題點數:100 回復次數:6 發表時間:2004-12-14 10:31:43 select t1.oid from t1 where t1.oid not in (select oid from t2 where t2.userid='overmind'); 回復人: overmind(overmind) ( ) 信譽:100 2004-12-14 10:32:07 得分: 0 謝謝了先! top 回復人: orarichard(沒錢的日子好難過啊) ( ) 信譽:100 2004-12-14 10:38:00 得分: 100 select t1.oid from t1,(select oid from t2 where t2.userid='overmind') t3where t1.oid <> t3.oid top 回復人: orarichard(沒錢的日子好難過啊) ( ) 信譽:100 2004-12-14 10:40:49 得分: 0 還可以select t1.oid from t1,( select oid from t1 minus select oid from t2 where userid='overmind') t3where t1.oid=t3.oid;