如何得到一张表内某一个字段内容相同的所有记录? 只要是字段值相同的记录都要取出来。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 select * from 用户.表 where 字段1='相同值' select count(*) from violation_t_i a where a.rowid !=(select max(b.rowid) from violation_t_i b where a.ysbh=b.ysbh and a.wfsj=b.wfsj ) select * from 表名 where 字段 in (select 字段 from 表名 group by 字段 having count(*)>1; select * from table1 awhere a.rowid > (select min(rowid) from table1 b where a.id=b.id) ex:select *from cat_orgwhere CREATE_USERNAME in (select distinct CREATE_USERNAME from cat_org group by CREATE_USERNAME having count(*) >1 ) ex:select *from cat_orgwhere CREATE_USERNAME in (select distinct CREATE_USERNAME from cat_org group by CREATE_USERNAME having count(*) >1 ) SQL> select job from emp;JOB---------CLERKSALESMANSALESMANMANAGERSALESMANMANAGERMANAGERANALYSTPRESIDENTSALESMANCLERKCLERKANALYSTCLERK已選取 14 個資料列.SQL> select job from emp group by job having count(job)>1;JOB---------ANALYSTCLERKMANAGERSALESMAN select * from table1 awhere exists (select * from table1 b where b.id=a.id and b.rowid<>a.rowid) select 字段名 from 表名 k where k.字段名= '某值 ' group by k.字段名 having count(k.字段名) >1 初学orcale,关于版本的请教。 oracle 大表设计 一个查询,不知能不能实现,请高手帮忙 关于OCCI远程返回游标的效率问题 Oracle 10g客户端无法连接到远程数据库服务器 如何写一个过程,自动查找oracle数据库失效的过程(包)并编译它。 如何在ORACLE中存入一些unicode字符 每天增加10万条左右记录,保留一个月之后删除,怎样优化? 如何让下面的语句快速执行?非高手别进来。 sos!一个存储过程的问题 oracle中date类型是否可以保存到毫秒 如何将学生选课信息另存成事务类型记录的数据裱??????
where a.rowid > (select min(rowid) from table1 b where a.id=b.id)
from cat_org
where CREATE_USERNAME in
(select distinct CREATE_USERNAME
from cat_org
group by CREATE_USERNAME
having count(*) >1
)
from cat_org
where CREATE_USERNAME in
(select distinct CREATE_USERNAME
from cat_org
group by CREATE_USERNAME
having count(*) >1
)
---------
CLERK
SALESMAN
SALESMAN
MANAGER
SALESMAN
MANAGER
MANAGER
ANALYST
PRESIDENT
SALESMAN
CLERK
CLERK
ANALYST
CLERK已選取 14 個資料列.SQL> select job from emp group by job having count(job)>1;JOB
---------
ANALYST
CLERK
MANAGER
SALESMAN
where exists (select * from table1 b where b.id=a.id and b.rowid<>a.rowid)