今年刚学完数据库,对sql语言游客一定的了解,但毕竟很肤浅!今天看到网络忏悔 (贵宾) (54master.com)写的一片***必学:sql语句大全!感觉这篇文章很不错,对初学者很有益处的!但是不要做坏事啊!

***必学:sql语句大全

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'

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

 

        今年刚学完数据库,对sql语言游客一定的了解,但毕竟很肤浅!今天看到网络忏悔 (贵宾) (54master.com)写的一片***必学:sql语句大全!感觉这篇文章很不错,对初学者很有益处的!但是不要做坏事啊!

 

***必学:sql语句大全

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'

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