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DECLARE @STR VARCHAR(8000) ----¶¨Òå²éѯ×Ö·û´®
SELECT @STR=ISNULL(@STR+'+','')+t from (SELECT DIST ......

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BACKUP DATABASE mydb
TO DISK='c:\olddb.bak'
WITH INIT
--ΪÁ˲âÊÔ£¬°Ñ±¸·ÝºÃµÄÎļþ´ÓCÅÌÒÆ¶¯µ½D:\tempdb Îļþ¼Ð
--»¹Ô­
--1.ÓôËÓï¾äµÃµ½±¸·ÝÎļþµÄÂß¼­ÎļþÃû£º
RESTORE FILELISTONLY from DISK = N'd:\tempdb\olddb.bak' --±¸·ÝÎļþ´æ·Å·¾¶
--¿´LogicalName£¬Ò»°ã»áÓÐÁ½¸öÎļþ,È磺
--olddb &nbs ......

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backup log MyDBName to disk='F:\dbbak\GamePoint\MyDBName_log_2010052709.bak';
 
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backup log MyDBName with no_Log;
 
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declare @xml xml
set @xml = '<root/>'
select @xml
declare @value varchar(10)
set @value = 'val1'
set @xml.modify('insert <item value="{sql:variable("@value")}" /> into (/root)[1]')
select @xml
set @value = 'val2'
set @xml.modify('replace value of (/root/item/@value)[1] with "val2 ......
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