2
表 '隊' 有兩列
teamID,
teamName
表 '匹配' 有三列
matchID,
teamID_1,
teamID_2
...像圖像波紋管:
怎麼會我構建了一條select語句,它將根據它們各自的ID將Teams.teamName
拉到Match.teamID_1
和Match.teamID_2
?
我能做到這一點只有一列或另一個,但不能同時:
SELECT Match.matchID, Teams.teamName
FROM Match
INNER JOIN Teams ON Match.teamID_1 = Teams.teamID
OR
SELECT Match.matchID, Teams.teamName
FROM Match
INNER JOIN Teams ON Match.teamID_2 = Teams.teamID