主题：[求助]并列关系的关联列数据不同的两张表合并

Dim cmd As New SQLCommand
Dim dt As DataTable

cmd.CommandText = "select * fr om {表A} a inner join {表C} c on a.a = c.a unio n Select * fr om {表B} b inner join {表C} c on b.a = c.a"

dt = cmd.ExecuteReader()

Output.Show(dt.DataRows.Count)