Access 2010:连接三个表，未知错误 [英] Access 2010: Joining three tables, unknown error

问题描述

我正在尝试通过SQL查询将MS Access 2010中的三个表联接起来.

I am trying to join three tables in MS Access 2010 in a SQL query.

SELECT Track.trackName, TrackIsGenre.genre, ContainsTracks.albums
FROM Track 
INNER JOIN TrackIsGenre ON  Track.trackName = TrackIsGenre.track
INNER JOIN ConstainsTracks ON Track.trackName = ContainsTracks.tracks
WHERE genre = "Rock"
ORDER BY trackName ASC;

我搜索了网络，据我所知应该是这样.我可以加入两个表没问题.我得到的错误是:查询表达式中的语法错误(缺少运算符)"，它突出显示了两个INNER JOIN.

I searched the net and as far as I can see this should be it. I can JOIN two tables no problem. The error I get is: "Syntax error (missing operator) in query expression" and it highlights the two INNER JOIN.

任何帮助将不胜感激.

推荐答案

在您首次加入时添加括号，(在MOST RDBMS上是可选的)

Add a parenthesis on you first join, (this is optional on MOST RDBMS)

SELECT  Track.trackName, TrackIsGenre.genre, ContainsTracks.albums
FROM    (Track INNER JOIN TrackIsGenre ON  Track.trackName = TrackIsGenre.track)
        INNER JOIN ConstainsTracks ON Track.trackName = ContainsTracks.tracks
WHERE   genre = "Rock"
ORDER   BY trackName ASC;

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