越战创伤国语版:SendSQL = "Select * from FS_Message where 1=0"

来源：百度文库编辑：高校问答时间：2024/04/25 19:27:54

1=0??什么意思..糊涂了
SendSQL = "Select * from FS_Message where 1=0"

1=0在SQL中是不成立的条件,返回值也就是"假"
此语句的作用是:
打开此记录集,但并不从记录集中读取任何记录
直观点说就是,为保护记录集数据,仅做打开,是只做插入记录时用到

1=0 返回值是"假"。此语句的作用是: 打开此记录集,但不从记录集中读取记录。这句话是为了提高打开记录集的执行效率。

好运!:)

学了一招

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