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@Takashi_Noboru

Access の SQL で 3つ以上の表を join する

More than 5 years have passed since last update.

Access で普通に join を使うと、2つまでしか結合できません。
が、下のように結合した表を括弧で囲んでやり、それを1つの表としてやると、
3つ以上の表を結合できます。

3つの表をJOIN
SELECT TA.*,TB.*,TC.* FROM ( TA 
LEFT JOIN TB ON ( TA.b = TB.id ) )
LEFT JOIN TC ON ( TA.c = TC.id ) ;
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24
Help us understand the problem. What is going on with this article?