SELECT (SELECT b.UserName FROM Table2 b WHERE b.UserID = a.UserID1) AS UID1,
(SELECT c.UserName FROM Table2 c WHERE c.UserID = a.UserID2) AS UID2,
a.Message AS MSG
FROM Table1 a
你試試看吧發表人:
這個嘛 時間: 2011-6-16 09:32 PM
謝謝解答
晚點試試看發表人:
Dr.J 時間: 2011-6-24 11:06 PM
select table2.UserName,table2_1.UserName,table1.message from table1 inner join table2 on table1.UserID1=table2.UserID inner join table2 as table2_1 on table1.UserID2=table2_1.UserID