怎样找出 姓名相同,会员编号不同的顾客?
姓名 name
会员编号 cli_no
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SQL code
select *
from tb t
where exists (select 1 from tb where name = t.name and id <> t.id)
order by name
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SQL code
select * from tb t where exists (select 1 from tb where name=t.name and cli_no<>t.cli_no)
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select * from tab1 a
where exists (select 1 from tab1 where name=a.name and cli_no<>a.cli_no)