- /******* 导出到excel
- EXEC master..xp_cmdshell 'bcp SettleDB.dbo.shanghu out c:temp1.xls -c -q -S"GNETDATA/GNETDATA" -U"sa" -P""'
- /*********** 导入Excel
- SELECT *
- FROM OpenDataSource( 'Microsoft.Jet.OLEDB.4.0',
- 'Data Source="c:test.xls";User ID=Admin;Password=;Extended properties=Excel 5.0')...xactions
- /*动态文件名
- declare @fn varchar(20),@s varchar(1000)
- set @fn = 'c:test.xls'
- set @s ='''Microsoft.Jet.OLEDB.4.0'',
- ''Data Source="'+@fn+'";User ID=Admin;Password=;Extended properties=Excel 5.0'''
- set @s = 'SELECT * FROM OpenDataSource ('+@s+')...sheet1$'
- exec(@s)
- */
- SELECT cast(cast(科目编号 as numeric(10,2)) as nvarchar(255))+' ' 转换后的别名
- FROM OpenDataSource( 'Microsoft.Jet.OLEDB.4.0',
- 'Data Source="c:test.xls";User ID=Admin;Password=;Extended properties=Excel 5.0')...xactions
- /********************** EXCEL导到远程SQL
- insert OPENDATASOURCE(
- 'SQLOLEDB',
- 'Data Source=远程ip;User ID=sa;Password=密码'
- ).库名.dbo.表名 (列名1,列名2)
- SELECT 列名1,列名2
- FROM OpenDataSource( 'Microsoft.Jet.OLEDB.4.0',
- 'Data Source="c:test.xls";User ID=Admin;Password=;Extended properties=Excel 5.0')...xactions
- /** 导入文本文件
- EXEC master..xp_cmdshell 'bcp dbname..tablename in c:DT.txt -c -Sservername -Usa -Ppassword'
- /** 导出文本文件
- EXEC master..xp_cmdshell 'bcp dbname..tablename out c:DT.txt -c -Sservername -Usa -Ppassword'
- /** 或
- EXEC master..xp_cmdshell 'bcp "Select * from dbname..tablename" queryout c:DT.txt -c -Sservername -Usa -Ppassword'
- /** 导出到TXT文本,用逗号分开
- exec master..xp_cmdshell 'bcp "库名..表名" out "d:tt.txt" -c -t ,-U sa -P password'
- BULK INSERT 库名..表名
- FROM 'c:test.txt'
- WITH (
- FIELDTERMINATOR = ';',
- ROWTERMINATOR = 'n'
- )
- --/* dBase IV文件
- select * from
- OPENROWSET('MICROSOFT.JET.OLEDB.4.0'
- ,'dBase IV;HDR=NO;IMEX=2;DATABASE=C:','select * from [客户资料4.dbf]')
- --*/
- --/* dBase III文件
- select * from
- OPENROWSET('MICROSOFT.JET.OLEDB.4.0'
- ,'dBase III;HDR=NO;IMEX=2;DATABASE=C:','select * from [客户资料3.dbf]')
- --*/
- --/* FoxPro 数据库
- select * from openrowset('MSDASQL',
- 'Driver=Microsoft Visual FoxPro Driver;SourceType=DBF;SourceDB=c:',
- 'select * from [aa.DBF]')
- --*/
- /**************导入DBF文件****************/
- select * from openrowset('MSDASQL',
- 'Driver=Microsoft Visual FoxPro Driver;
- SourceDB=e:VFP98data;
- SourceType=DBF',
- 'select * from customer where country != "USA" order by country')
- go
- /***************** 导出到DBF ***************/
如果要导出数据到已经生成结构(即现存的)FOXPRO表中,可以直接用下面的SQL语句
- insert into openrowset('MSDASQL',
- 'Driver=Microsoft Visual FoxPro Driver;SourceType=DBF;SourceDB=c:',
- 'select * from [aa.DBF]')
- select * from 表
说明:
SourceDB=c: 指定foxpro表所在的文件夹
aa.DBF 指定foxpro表的文件名.
- /*************导出到Access********************/
- insert into openrowset('Microsoft.Jet.OLEDB.4.0',
- 'x:A.mdb';'admin';'',A表) select * from 数据库名..B表
- /*************导入Access********************/
- insert into B表 selet * from openrowset('Microsoft.Jet.OLEDB.4.0',
- 'x:A.mdb';'admin';'',A表)
- 文件名为参数
- declare @fname varchar(20)
- set @fname = 'd:test.mdb'
- exec('SELECT a.* FROM opendatasource(''Microsoft.Jet.OLEDB.4.0'',
- '''+@fname+''';''admin'';'''', topics) as a ')
- SELECT *
- FROM OpenDataSource( 'Microsoft.Jet.OLEDB.4.0',
- 'Data Source="f:northwind.mdb";Jet OLEDB:Database Password=123;User ID=Admin;Password=;')...产品
********************* 导入 xml 文件
- DECLARE @idoc int
- DECLARE @doc varchar(1000)
- --sample XML document
- SET @doc ='
- <root>
- <Customer cid= "C1" name="Janine" city="Issaquah">
- <Order oid="O1" date="1/20/1996" amount="3.5" />
- <Order oid="O2" date="4/30/1997" amount="13.4">Customer was very satisfied
- </Order>
- </Customer>
- <Customer cid="C2" name="Ursula" city="Oelde" >
- <Order oid="O3" date="7/14/1999" amount="100" note="Wrap it blue
- white red">
- <Urgency>Important</Urgency>
- Happy Customer.
- </Order>
- <Order oid="O4" date="1/20/1996" amount="10000"/>
- </Customer>
- </root>
- '
- -- Create an internal representation of the XML document.
- EXEC sp_xml_preparedocument @idoc OUTPUT, @doc
- -- Execute a SELECT statement using OPENXML rowset provider.
- SELECT *
- FROM OPENXML (@idoc, '/root/Customer/Order', 1)
- WITH (oid char(5),
- amount float,
- comment ntext 'text()')
- EXEC sp_xml_removedocument @idoc
/**********************Excel导到Txt****************************************/
想用
- select * into opendatasource(...) from opendatasource(...)
实现将一个Excel文件内容导入到一个文本文件
假设Excel中有两列,第一列为姓名,第二列为很行帐号(16位)
且银行帐号导出到文本文件后分两部分,前8位和后8位分开。
邹健:
如果要用你上面的语句插入的话,文本文件必须存在,而且有一行:姓名,银行账号1,银行账号2
然后就可以用下面的语句进行插入
注意文件名和目录根据你的实际情况进行修改.
- insert into
- opendatasource('MICROSOFT.JET.OLEDB.4.0'
- ,'Text;HDR=Yes;DATABASE=C:'
- )...[aa#txt]
- --,aa#txt)
- --*/
- select 姓名,银行账号1=left(银行账号,8),银行账号2=right(银行账号,8)
- from
- opendatasource('MICROSOFT.JET.OLEDB.4.0'
- ,'Excel 5.0;HDR=YES;IMEX=2;DATABASE=c:a.xls'
- --,Sheet1$)
- )...[Sheet1$]
如果你想直接插入并生成文本文件,就要用bcp
- declare @sql varchar(8000),@tbname varchar(50)
- --首先将excel表内容导入到一个全局临时表
- select @tbname='[##temp'+cast(newid() as varchar(40))+']'
- ,@sql='select 姓名,银行账号1=left(银行账号,8),银行账号2=right(银行账号,8)
- into '+@tbname+' from
- opendatasource(''MICROSOFT.JET.OLEDB.4.0''
- ,''Excel 5.0;HDR=YES;IMEX=2;DATABASE=c:a.xls''
- )...[Sheet1$]'
- exec(@sql)
- --然后用bcp从全局临时表导出到文本文件
- set @sql='bcp "'+@tbname+'" out "c:aa.txt" /S"(local)" /P"" /c'
- exec master..xp_cmdshell @sql
- --删除临时表
- exec('drop table '+@tbname)
/********************导整个数据库*********************************************/
用bcp实现的存储过程
- /*
- 实现数据导入/导出的存储过程
- 根据不同的参数,可以实现导入/导出整个数据库/单个表
- 调用示例:
- --导出调用示例
- ----导出单个表
- exec file2table 'zj','','','xzkh_sa..地区资料','c:zj.txt',1
- ----导出整个数据库
- exec file2table 'zj','','','xzkh_sa','C:docman',1
- --导入调用示例
- ----导入单个表
- exec file2table 'zj','','','xzkh_sa..地区资料','c:zj.txt',0
- ----导入整个数据库
- exec file2table 'zj','','','xzkh_sa','C:docman',0
- */
- if exists(select 1 from sysobjects where name='File2Table' and objectproperty(id,'IsProcedure')=1)
- drop procedure File2Table
- go
- create procedure File2Table
- @servername varchar(200) --服务器名
- ,@username varchar(200) --用户名,如果用NT验证方式,则为空''
- ,@password varchar(200) --密码
- ,@tbname varchar(500) --数据库.dbo.表名,如果不指定:.dbo.表名,则导出数据库的所有用户表
- ,@filename varchar(1000) --导入/导出路径/文件名,如果@tbname参数指明是导出整个数据库,则这个参数是文件存放路径,文件名自动用表名.txt
- ,@isout bit --1为导出,0为导入
- as
- declare @sql varchar(8000)
- if @tbname like '%.%.%' --如果指定了表名,则直接导出单个表
- begin
- set @sql='bcp '+@tbname
- +case when @isout=1 then ' out ' else ' in ' end
- +' "'+@filename+'" /w'
- +' /S '+@servername
- +case when isnull(@username,'')='' then '' else ' /U '+@username end
- +' /P '+isnull(@password,'')
- exec master..xp_cmdshell @sql
- end
- else
- begin --导出整个数据库,定义游标,取出所有的用户表
- declare @m_tbname varchar(250)
- if right(@filename,1)<>'' set @filename=@filename+''
- set @m_tbname='declare #tb cursor for select name from '+@tbname+'..sysobjects where xtype=''U'''
- exec(@m_tbname)
- open #tb
- fetch next from #tb into @m_tbname
- while @@fetch_status=0
- begin
- set @sql='bcp '+@tbname+'..'+@m_tbname
- +case when @isout=1 then ' out ' else ' in ' end
- +' "'+@filename+@m_tbname+'.txt " /w'
- +' /S '+@servername
- +case when isnull(@username,'')='' then '' else ' /U '+@username end
- +' /P '+isnull(@password,'')
- exec master..xp_cmdshell @sql
- fetch next from #tb into @m_tbname
- end
- close #tb
- deallocate #tb
- end
- go
/************* Oracle **************/
- EXEC sp_addlinkedserver 'OracleSvr',
- 'Oracle 7.3',
- 'MSDAORA',
- 'ORCLDB'
- GO
- delete from openquery(mailser,'select * from yulin')
- select * from openquery(mailser,'select * from yulin')
- update openquery(mailser,'select * from yulin where id=15')set disorder=555,catago=888
- insert into openquery(mailser,'select disorder,catago from yulin')values(333,777)
补充:
对于用bcp导出,是没有字段名的.
用openrowset导出,需要事先建好表.
用openrowset导入,除ACCESS及EXCEL外,均不支持非本机数据导入
而且直接配置文件是效率最高的,通过其它驱动效率都相对较低,BDB
这个测试不太准确,看官方的测试结果:http://bind-dlz.sourceforg
为什么使用BDB时QPS这么低? 我在bind版本基本相似的环境中测试的
It is quite useful and interesting too.
VIRT 的上限是64G,也就是36位, cat /proc/cpuinfo的结果是:addre
昨天要准备用线程重写webbench,试验了下Fedora Linux 2.6.35.14
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