SQL Serverµ¼Èëµ¼³öÊý¾Ý´óÈ«
SQLÓï¾äµ¼Èëµ¼³ö´óÈ«[ÊÕ¼¯]
ÕýÇÉÕâÁ½ÌìÒªÓõ½Õâ¸ö£¬ÉÏÍøÕÒµ½Ò»¸ö£¬»ØÀ´×Ô¼º¼ì²âһϣº
/******* µ¼³öµ½excel
EXEC master..xp_cmdshell 'bcp SettleDB.dbo.shanghu out c:\temp1.xls -c -q -
S"GNETDATA/GNETDATA" -U"sa" -P""'
/*********** µ¼ÈëExcel
SELECT *
from OpenDataSource( 'Microsoft.Jet.OLEDB.4.0',
'Data Source="c:\test.xls";User ID=Admin;Password=;Extended properties=Excel
5.0')...xactions
/*¶¯Ì¬ÎļþÃû
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(¿ÆÄ¿±àºÅ as numeric(10,2)) as nvarchar(255))+'¡¡' ת»»ºóµÄ±ðÃû
from OpenDataSource( 'Microsoft.Jet.OLEDB.4.0',
'Data Source="c:\test.xls";User ID=Admin;Password=;Extended properties=Excel
5.0')...xactions
/********************** EXCELµ¼µ½Ô¶³ÌSQL
insert OPENDATASOURCE(
'SQLOLEDB',
'Data Source=Ô¶³Ìip;User ID=sa;Password=ÃÜÂë'
).¿âÃû.dbo.±íÃû (ÁÐÃû1,ÁÐÃû2)
SELECT ÁÐÃû1,ÁÐÃû2
from OpenDataSource( 'Microsoft.Jet.OLEDB.4.0',
'Data Source="c:\test.xls";User ID=Admin;Password=;Extended properties=Excel
5.0')...xactions
/** µ¼ÈëÎı¾Îļþ
EXEC master..xp_cmdshell 'bcp dbname..tablename in c:\DT.txt -c -Sservername -Usa -
Ppassword'
/** µ¼³öÎı¾Îļþ
EXEC master..xp_cmdshell 'bcp dbname..tablename out c:\DT.txt -c -Sservername -Usa -
Ppassword'
»ò
EXEC master..xp_cmdshell 'bcp "Select * from dbname..tablename" queryout c:\DT.txt -c -
Sservername -Usa -Ppassword'
µ¼³öµ½TXTÎı¾£¬ÓöººÅ·Ö¿ª
exec master..xp_cmdshell 'bcp "¿âÃû..±íÃû" out "d:\tt.txt" -c -t ,-U sa -P password'
BULK INSERT ¿âÃû..±íÃû
from 'c:\test.txt'
WITH (
FIELDTERMINATOR = ';',
ROWTERMINATOR = '\n'
)
--/* dBase IVÎļþ
select *
Ïà¹ØÎĵµ£º
Ò»¡¢Ç°ÑÔ
“ÈËÀàʧȥËÑË÷£¬ÊÀ½ç½«»áÔõÑù?”£¬Í¬Ñù£¬ºÜÄÑÏëÏóÒ»¸öÓµÓм«´óÐÅÏ¢Á¿µÄÐÐÒµÍøÕ¾ÃÅ»§Ã»ÓÐÕ¾ÄÚÈ«ÎÄËÑË÷½«»á³öÏÖÔõÑùµÄ¾ÖÃæ£¬ÍøÕ¾È«ÎļìË÷¶ÔÓÚÍÚ¾òÍøÕ¾ÐÅÏ¢ºÍÕûºÏÍøÕ¾×ÊÔ´µÄ¼ÛÖµÊDz»ÑÔ¶øÓ÷µÄ¡£ÎÒÃÇ¿´µ½£¬Í¨ÓÃÐ͵ÄËÑË÷ÒýÇæÒѾ³ÉΪÁË»¥ÁªÍøÊÀ½çµÄÃÅ»§£¬¶ø¶ÔÓÚÒ»¸öÐÅÏ¢Á¿¼«Æä·á¸»µÄÍøÕ¾¶øÑÔ£¬È«ÍøËÑË÷»òÐ ......
Êý¾Ý¿âÐÔÄܵ÷ÓÅÊÇÿһ¸öÓÅÐãSQL Server¹ÜÀíÔ±×îÖÕµÄÔðÈΡ£ËäÈ»±£Ö¤Êý¾ÝµÄ°²È«ºÍ¿ÉÓÃÐÔÊÇÎÒÃǵÄ×î¸ßµÄÄ¿±ê£¬µ«ÊǼÙÈçÊý¾Ý¿âÓ¦ÓóÌÐòÎÞ·¨Âú×ãÓû§µÄÒªÇó£¬ÄÇôDBAÃÇ»áÒòΪÐÔÄܵÍϵÄÉè¼ÆºÍʵÏÖ¶øÊܵ½Ö¸Ôð¡£SQL Server 2005ÔÚÊý¾Ý¿âÐÔÄÜ·½ÃæµÃµ½Á˺ܶàÌá¸ß£¬ÓÈÆäÊDZí·ÖÇøµÄ¼¼Êõ¡£Èç¹ûÄ㻹û²»Á˽â±í·ÖÇøµÄÌØÕ÷£¬ÄÇôÇëÄ㻨µã ......
/*
¹¦ÄÜ£ºÀûÓú¯Êý´´½¨Á÷Ë®ºÅÈ磺
fx201005260001,
fx201005260002,
fx201005270001
×÷Õߣº³ÂÓÀ½¨
´´½¨Ê±¼ä£º2010-05-26
*/
use master
go
i ......
COUNT(*)ÓëCOUNT(COL)
ÍøÉÏËÑË÷ÁËÏ£¬·¢ÏÖ¸÷ÖÖ˵·¨¶¼ÓУº
±ÈÈçÈÏΪCOUNT(COL)±ÈCOUNT(*)¿ìµÄ£»
ÈÏΪCOUNT(*)±ÈCOUNT(COL)¿ìµÄ£»
»¹ÓÐÅóÓѺܸãЦµÄ˵µ½Õâ¸öÆäʵÊÇ¿´ÈËÆ·µÄ¡£
ÔÚ²»¼ÓWHEREÏÞÖÆÌõ¼þµÄÇé¿öÏ£¬COUNT(*)ÓëCOUNT(COL)»ù±¾¿ÉÒÔÈÏΪÊǵȼ۵ģ»
µ«ÊÇÔÚÓÐWHEREÏÞÖÆÌõ¼þµÄÇé¿öÏ£¬COUNT(*)»á±ÈCOUNT(COL)¿ì·Ç³£¶à ......
SQL ¸½¼ÓÊý¾Ý¿âʱ³öÏÖ ÎÞ·¨´ò¿ªÎïÀíÎļþ´íÎó
´íÎóÐÅÏ¢:
Ö´ÐÐ Transact-SQL Óï¾ä»òÅú´¦Àíʱ·¢ÉúÁËÒì³£¡£ (Microsoft.SqlServer.ConnectionInfo)
------------------------------
ÎÞ·¨´ò¿ªÎïÀíÎļþ "D:\SqlDataBase\Test.mdf"¡£²Ù×÷ϵͳ´íÎó 5:"5(¾Ü¾ø·ÃÎÊ¡£)"¡£ (Microsoft SQL Server£¬´íÎó: 5120)
½â¾ö°ì·¨:
......