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Subject: on 子句字段类型不同怎么办
与龙共舞
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Post at 2010-10-23 10:29  Profile | Blog | P.M. 
on 子句字段类型不同怎么办

如:
SELECT 成绩表.*,班级表.*
   FROM "成绩表"cj     INNER JOIN  "班级表" bjb
        ON  (班级库.班级名1= 成绩表.班级名2)  

如果“班级名1”为字符型,而“班级名2”这数型的

期盼高手回复!

[ 本帖最后由 与龙共舞 于 2010-10-23 10:30 编辑 ]
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Passion (LiuXiao)
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Post at 2010-10-23 20:24  Profile | Blog | P.M. 
用CAST呢?
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与龙共舞
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Post at 2010-10-23 22:26  Profile | Blog | P.M. 
回复 #2 Passion 的帖子

CAST试了,好像不行,可能用法不对。能给个实例吗?先谢了!
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Passion (LiuXiao)
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Post at 2010-10-24 08:12  Profile | Blog | P.M. 
搜一下CAST或CONVERT函数的用法吧。我要举例也是搜来的,没装SQL Server。
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Post at 2010-10-24 10:17  Profile | Blog | P.M. 
回复 #4 Passion 的帖子

已解决,我是在delphi中用的。谢谢了!
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