你的 or and 写的不对
sql_design = "Select * From pro_score Where (hen is null) Or ( Between '"&month_from&"' And '"&month_to& '"&month_to&"'And designer like '%"&Sagittarius&"%' ) Order By hen Desc"
第一个问题: select coursename from course where settime between #2000-092.转化时，跟日期有关的字段，SQL SERVER默认为smalldatetime型，我们最好
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