ndatabase是任意一个表
sqlstr = "select top " & nlisttopx & " * from information INNER JOIN " & ndatabase & " ON information.i_university=" & ndatabase & ".uid where " & cfname("hidden") & "=0"
information表里面有重复记录的字段“i_university”
求助在这个语句当中加入去重字段i_university 的重复记录只保留一条
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