sql server 2005 µ¼³öÓû§±íÊý¾Ý×Öµä(×ªÔØ)
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--×÷ÓãºÓÃÓÚsql server 2005 µ¼³öÓû§±íÊý¾Ý×Öµä
--1 ĬÈϵ¼³öµ±Ç°Êý¾Ý¿âÖÐËùÓÐÓû§±í(xtype = 'u')µÄÊý¾Ý×ֵ䣻
--2 ¿ÉÒÔÔÚxtype = 'u'Ìæ»»ÎªÈçÏÂËùʾÓï¾äxtype = 'u' and name in ('son','Person') µ¼³ö×Ô¶¨ÒåµÄ±íµÄÊý¾Ý×ֵ䣻
--3 ¿ÉÒÔÀûÓü¯³É·þÎñSSISµ¼³öÊý¾Ý×ÖµäµÄexcelÎļþ£¬ÐγÉÎĵµ£»
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select sysobjects.name as "±íÃû",syscolumns.name as "×Ö¶ÎÃû",
case when systypes.name in ('binary','char','nchar') then (systypes.name + '(' + cast(syscolumns.prec as varchar(50)) + ')')
when systypes.name in ('decimal','numeric') then (systypes.name + '(' + cast(syscolumns.prec as varchar(50)) + ',' + cast(syscolumns.scale as varchar(50)) + ')')
when systypes.name in ('nvarchar','varchar','varbinary') then (case when syscolumns.prec = -1 then (systypes.name + '(MAX)') else (systypes.name + '(' + cast(syscolumns.prec as varchar(50)) + ')') end)
else systypes.name end as "×Ö¶ÎÀàÐÍ",
syscomments.text as "ĬÈÏÖµ", case when syscolumns.isnullable = 1 then 'Y' else 'N' end as "ÄÜ·ñΪ¿Õ",
cast(sys.extended_properties.value as varchar(1024)) as "±¸×¢"
from syscolumns inner join systypes on syscolumns.xtype = systypes.xtype left join sysobjects
on syscolumns.id = sysobjects.id left outer join sys.extended_properties
on ( sys.extended_properties.minor_id = syscolumns.colid and sys.extended_properties.major_id = syscolumns.id) left outer join syscomments
on syscolumns.cdefault = syscomments.id where syscolumns.id in (select id from sysobjects where xtype = 'u') and (systypes.name <> 'sysname') order by sysobjects.name asc
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declare @XML XML
SET @XML='<root>
<OLDVALUE>
<H_Action id="1130">030</H_Action>
<D_Action>030</D_Action>
<OrderCompany>00220</OrderCompany>
<OrderNumber>10004035</OrderNumber> ......
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1¡¢ËµÃ÷£º´´½¨Êý¾Ý¿â
CREATE DATABASE database-name
2¡¢ËµÃ÷£ºÉ¾³ýÊý¾Ý¿â
drop database dbname
3¡¢ËµÃ÷£º±¸·Ýsql server
--- ´´½¨ ±¸·ÝÊý¾ÝµÄ device
USE master
EXEC sp_addumpdevice 'disk', 'testBack', 'c:\mssql7backup\MyNwind_1.dat'
--- ¿ªÊ¼ ±¸·Ý
BACKUP DATABASE pubs TO testBack
4¡¢Ëµ ......
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¡¡¡¡1.µ¼³öÕû¸öÊý¾Ý¿â
¡¡¡¡ mysqldump -u Óû§Ãû -p Êý¾Ý¿âÃû > µ¼³öµÄÎļþÃû
¡¡¡¡ mysqldump -u wcnc -p smgp_apps_wcnc > wcnc.sql
¡¡¡¡2.µ¼³öÒ»¸ö±í
¡¡¡¡ mysqldump -u Óû§Ãû -p Êý¾Ý¿âÃû ±íÃû> ......
SQLÑ»·Óï¾ä
declare @i int
set @i=1
while @i<30
begin
insert into test (userid) values(@i)
set @i=@i+1
end
---------------
while Ìõ¼þ
begin
Ö´ÐвÙ×÷
set @i=@i+1
end
WHILE
ÉèÖÃÖØ¸´Ö´ÐÐ SQL Óï¾ä»òÓï¾ä¿éµÄÌõ¼þ¡£Ö»ÒªÖ¸¶¨µÄÌõ¼þÎªÕæ£¬¾ÍÖØ¸´Ö´ÐÐÓï¾ä¡£¿ÉÒÔʹÓà BREAK ºÍ CONTI ......