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date (datetimeÀàÐÍ) 
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select sum(consume),day([date]) from consume_record where year([date]) = '2006' group by day([date]) 
--°´ÖÜquarter 
select sum(consume),datename(week,[date]) from consume_record where year([date]) = '2006' group by datename(week,[date]) 
--°´Ô 
select sum(consume),month([date]) from consume_record where year([date]) = '2006' group by month([date]) 
--°´¼¾ 
select sum(consume),datename(quarter,[date]) from consume_record where year([date]) = '2006' group by datename(quarter,[date]) 
 
--Ö¸¶¨ÈÕÆÚÄã¾Í¿´ÉÏÃæµÄÀý×Ó±äͨÏÂѽ£¬Î޷ǾÍÊÇÒ»¸ö¾ÛºÏº¯ÊýºÍGroup by 
select [date],sum(consume) from consume_record where [date] between '2006-06-01' and '2006-07-10' group by [date] 


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http://blog.csdn.net/java2000_net/archive/2008/04/05/2252640.aspx
http://sqlserver.chinahtml.com/2006/SQL-mssql11432786154012.shtml
http://www.cnblogs.com/garnai/archive/2007/09/19/898221.html
http://tech.ccidnet.com/art/1099/20050223/214511_1.html
http://www.wangchao.net.cn/bbsdetail_43009.html ......

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CREATE proc sqlToMultiExcelFile
@sqlstr nvarchar(4000), --²éѯÓï¾ä,Èç¹û²éѯÓï¾äÖÐʹÓÃÁËorder by ,Çë¼ÓÉÏtop 100 percent
@primaryKey varchar(100),--·ÖÒ³Ö÷¼ü×Ö¶Î
@path nvarchar(1000), --Îļþ´æ·ÅĿ¼
@fname nvarchar(250), --ÎļþÃû
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