看板 Database 關於我們 聯絡資訊
※ 引述《retsamsu (haha)》之銘言: : 不知道這樣可不可以...試試看 : SELECT T1.course, : (SELECT T21.content FROM Table_2 AS T21, T1 WHERE T1.name_1 = T21.name), : (SELECT T22.content FROM Table_2 AS T22, T1 WHERE T1.name_2 = T22.name), : (SELECT T23.content FROM Table_2 AS T23, T1 WHERE T1.name_3 = T23.name) : FROM Table_1 AS T1 : 可能寫錯了,不過就是Select再Select這樣 謝謝你 不過這樣會有子查詢傳回不只1個值的問題 -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 140.131.50.135