第 第一土人 Unregistered / Unconfirmed GUEST, unregistred user! 2001-03-27 #2 没有用过paradox,不过语法应该一样吧 create table t_xxx ( f_a varchar(2), f_b varchar(2), ) select f_a,f_b from t_xxx group by f_a,f_b having count(*)>1
没有用过paradox,不过语法应该一样吧 create table t_xxx ( f_a varchar(2), f_b varchar(2), ) select f_a,f_b from t_xxx group by f_a,f_b having count(*)>1
X xuyouwu Unregistered / Unconfirmed GUEST, unregistred user! 2001-04-08 #4 在paradox中用如下sql语句: select * from "表1" group by 字段1 having count(*)>1