2
表 '队' 有两列
teamID,
teamName
表 '匹配' 有三列
matchID,
teamID_1,
teamID_2
...像图像波纹管:
怎么会我构建了一条select语句,它将根据它们各自的ID将Teams.teamName
拉到Match.teamID_1
和Match.teamID_2
?
我能做到这一点只有一列或另一个,但不能同时:
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