我不知道如何写这个加入声明。我尝试了几种不同的方法,但出现了各种错误。
我收到错误“ODBC--连接到 'MYCONN' 失败。”
SELECT ad.ad_addr
FROM
PUB_cm_mstr AS cm
INNER JOIN
(
PUB_ad_mstr AS ad
INNER JOIN
PUB_BusinessRelation AS br
ON ad.ad_ref = br.BusinessRelationCode
)
ON cm.cm_addr = br.BusinessRelationName2;