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select * from people
where peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1)
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and rowid not in (select min(rowid) from people group by peopleId having count(peopleId )>1)
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USE [haitest]
GO
/****** ¶ÔÏó: Table [dbo].[haiTable] ½Å±¾ÈÕÆÚ: 03/13/2010 20:10:59 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE TABLE [dbo].[haiTable](
[buy_original_ticket] [nvarchar](50) COLLATE Chinese_PRC_CI_AS NULL,
[buy_id] [nvarchar](50) COLLATE Chinese_PRC_CI_AS NULL,
[buy_number] [nvarchar](50) COLLATE Chinese_PRC_CI_AS NULL,
[buy_type_large] [nvarchar](50) COLLATE Chinese_PRC_CI_AS NULL,
[buy_type_sub] [nvarchar](50) COLLATE Chinese_PRC_CI_AS NULL,
[buy_multi] [nvarchar](50) COLLATE Chinese_PRC_CI_AS NULL,
[buy_money] [nvarchar](50) COLLATE Chinese_PRC_CI_AS NULL,
[ticket_id] [nvarchar](50) COLLATE Chinese_PRC_CI_AS NULL,
[lottery_name] [nvarchar](50) COLLATE Chinese_PRC_CI_AS NULL,
[user_random] [nvarchar](50) COLLATE Chinese_PRC_CI_AS NULL,
[md5_code] [nvarchar](50) COLLATE Chinese_PRC_CI_AS NULL,
[sale_point] [nvarchar](50) COLLATE Chinese_ ......
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analyze table tablename compute statistics for all indexes;
analyze table tablename compute statistics for all indexed columns;
analyze table tablename compute statistics for table;
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select event,sum(decode(wait_Time,0,0,1)) "Prev",
sum(decode(wait_Time,0,1,0)) "Curr",count(*) "Tot"
from v$session_Wait
group by event order by 4;
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SELECT segment_name table_name , COUNT(*) extents
from dba_segments WHERE owner NOT IN (SYS, SYSTEM) GROUP BY segment_name
HAVING COUNT(*) = (SELECT MAX( COUNT(*) from dba_segments GROUP BY segment_name);
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select segment_name,sum(bytes),count(*) ext_quan from dba_extents where
tablespace_name=&tablespace_name and segment_type=TABLE group by tablespace_name,segment_name;
select segment_name,count(*) from dba_extents where segment_type=INDEX and owner=&own ......