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/*
  a        ±íÃû
  Èç¹ûÔÚsql ²éѯ·ÖÎöÆ÷µ±ÖгöÏÖ
  " SQL Server ×èÖ¹Á˶Ô×é¼þ 'xp_cmdshell' µÄ ¹ý³Ì'sys.xp_cmdshell' µÄ·ÃÎÊ£¬ÒòΪ´Ë×é¼þÒÑ×÷Ϊ´Ë·þÎñÆ÷°²È«ÅäÖõÄÒ»²¿·Ö¶ø±»¹Ø±Õ¡£ÏµÍ³¹ÜÀíÔ±¿ÉÒÔͨ¹ýʹÓà sp_co"Õâ¸ö´íÎ󡣡£ÇëÖ´ÐдúÂ룺
sp_configure 'show advanced options',1
reconfigure
go
sp_configure 'xp_cmdshell',1
reconfigure
*/
declare @sqlstr varchar(3000)
set @sqlstr='bcp "select * from a" queryout "c:\123.txt" -c -T'
exec master.dbo.xp_cmdshell  @sqlstr
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bcp ʵÓù¤¾ß
bcp ʵÓù¤¾ßÔÚ Microsoft® SQL Server™ 2000 ʵÀýºÍÊý¾ÝÎļþÖ®¼äÒÔÓû§Ö¸¶¨µÄ¸ñʽ¸´Êý¾Ý¡£
Óï·¨
 
bcp {[[database_name.][owner].]{table_name | view_name} | "query"}
{in | out | queryout | format} data_file
[-m max_errors] [-f format_file] [-e err_file]
[-F first_row] [-L last_row] [-b batch_size]
[-n] [-c] [-w] [-N] [-V (60 | 65 | 70)] [-6]
[-q] [-C code_page] [-t field_term] [-r row_term]
[-i input_file] [-o output_file] [-a packet_size]
[-S server_name[\instance_name]] [-U login_id] [-P password]
[-T] [-v] [-R] [-k] [-E] [-h "hint [,...n]"]
²ÎÊýdatabase_name
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owner
±í»òÊÓͼËùÓÐÕßµÄÃû³Æ¡£Èç¹ûÖ´ÐдóÈÝÁ¿¸´ÖƲÙ×÷µÄÓû§ÓµÓÐÖ¸¶¨µÄ±í»òÊÓͼ£¬Ôò owner ÊÇ¿ÉÑ¡µÄ¡£Èç¹ûûÓÐÖ¸¶¨ owner ²¢ÇÒÖ´ÐдóÈÝÁ¿¸´ÖƲÙ×÷µÄÓû§²»ÓµÓÐÖ¸¶¨µÄ±í»òÊÓͼ£¬Ôò Microsoft® SQL Server™ 2000 ½«·µ»Ø´íÎóÐÅÏ¢²¢È¡Ïû´óÈÝÁ¿¸´ÖƲÙ×÷¡£
table_name
Êǽ«Êý¾Ý¸´ÖƵ½ SQL Server ʱ (in) µÄÄ¿µÄ±íÃû£¬ÒÔ¼°´Ó SQL Server ¸´ÖÆÊý¾Ýʱ (out) µÄÔ´±íÃû¡£
view_name
Êǽ«Êý¾Ý¸´ÖƵ½ SQL Server ʱ (in) µÄÄ¿µÄÊÓͼÃû£¬ÒÔ¼°´Ó SQL Server ¸´ÖÆÊý¾Ýʱ (out) µÄÔ´ÊÓͼÃû¡£Ö»ÓÐÆäÖÐËùÓÐÁж¼ÒýÓÃͬһ¸ö±íµÄÊÓͼ²ÅÄÜÓÃ×÷Ä¿µÄÊÓͼ¡£Óйؽ«Êý¾Ý¸´ÖƵ½ÊÓͼµÄÏÞÖÆµÄ¸ü¶àÐÅÏ¢£¬Çë²Î¼û INSERT¡£
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SQL 2005 xml ´¦ÀíµÄһЩsample

USE Test
--Create 2 tables as an example
CREATE TABLE ExampleTable
(
[ID] int PRIMARY KEY
,[Name] nvarchar(256)
)
CREATE TABLE ExampleTable2
(
[ID] int PRIMARY KEY
,[Name] nvarchar(256)
)
----way1
SELECT *
from sys.objects [table]
WHERE
[Name] LIKE 'ExampleTable%'
FOR XML AUTO, ROOT ......

sql ÃüÃûÎÊÌâ

ÕýÈ·µÄ£ºselect isnull(money,0) from (select  sum(money) as money,3 as b from zhangbenjilu where datepart(month,usedatetime)=3) as a
´íÎóµÄ£ºselect isnull(money,0) from (select  sum(money) as money,3  from zhangbenjilu where datepart(month,usedatetime)=3) ......

4.5 ÅäÖÃSQL Server 2005·þÎñÆ÷

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ÎñÆ÷Ö÷ÒªÊǶÔÄÚ´æ¡¢´¦ÀíÆ÷¡¢°²È«ÐԵȼ¸¸ö·½ÃæÅäÖá£ÓÉÓÚSQL Server 2005·þÎñÆ÷µÄÉèÖòÎÊý±È½Ï¶à£¬ÕâÀïѡһЩ±È½Ï³£ÓõĽéÉÜ¡£
ÅäÖÃSQL Server 2005·þÎñÆ÷µÄ°ì·¨£ºÆô¶¯¡¾SQL
Server Management
Studio¡¿£¬ÔÚ¡¾¶ÔÏó×ÊÔ´¹ÜÀíÆ÷¡¿´°¿ÚÀÓÒ»÷ÒªÅäÖõķþÎ ......

sql serverºÍoracleµÄÇø±ð

1£®OracleΪ¿Í»§¶Ë¿ªÆô»á»°ÓÐÁ½ÖÖ·½Ê½£º¹²Ïí·þÎñºÍרÓ÷þÎñ¡£ÔÚרÓ÷þÎñÇé¿öÏ£¬¼àÌýÆ÷ΪÁ¬½ÓÇëÇó´´½¨Ð½ø³Ì£¨Unix»·¾³ÏÂÊÇProcess£¬WindowsÏÂÎÒÏëÓ¦¸ÃÊÇThread°É£©£»¹²Ïí·þÎñÇé¿öÏ£¬¼àÌýÆ÷½«¿Í»§ÇëÇ󽻸øDispatcher£¬ÓÉDispatcher°²ÅŶà¿Í»§µÄ×÷Òµ¡£SQL ServerÔÚĬÈÏÇé¿öÏÂ×Ô¶¯Îª¿Í»§¶ËÁ¬½Ó´´½¨Ị̈߳¬µ±Óзdz£¶àµÄ¿Í ......

sql ²éѯ³öÀ´Ò»¸ö±íÔÚ²åÈëµ½ÁíÒ»¸ö±íÀï

ALTER  FUNCTION  [dbo].[fun_tongji]()
RETURNS  @t1 table (
  yue int ,
  money int
 )
AS
begin
 Declare @i int
 set @i=1
-- declare @t1 table (
--  yue int ,
--  money int
-- )
 while (@i<=12)&n ......
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