sql ¾µäÒ»
1.½¨±í
create table temp(rq varchar(10),shengfu nchar(1))
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insert into temp values('2005-05-09','ʤ')
insert into temp values('2005-05-09','ʤ')
insert into temp values('2005-05-09','¸º')
insert into temp values('2005-05-09','¸º')
insert into temp values('2005-05-10','ʤ')
insert into temp values('2005-05-10','¸º')
insert into temp values('2005-05-10','¸º')
3.sql
select rq as 'ÈÕÆÚ',sum(case when shengfu ='ʤ' then 1 else 0 end) as 'ʤ' ,sum(case when shengfu='¸º' then 1 else 0 end) as '¸º' from temp group by rq
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2005-05-09 2 2
2005-05-10 1 2
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oracle tips
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select gw.ndocid from
(select ndocid from wf_doc_gw_shouwen union select ndocid from wf_doc_gw_fawen) gw
where
not exists (select null from wf_doc_gw_sn sn where sn.ndocid=gw.ndocid)
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select gw.ndocid from
(se ......
--> Title : SQL ServerϵͳÊÓͼ
--> Author : wufeng4552
--> Date : 2009-10-28
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Ŀ¼ÊÓͼ·µ»Ø SQL Server Êý¾Ý¿âÒýÇæÊ¹ÓõÄÐÅÏ¢¡£½¨ÒéÄúʹÓÃĿ¼ÊÓͼÕâÒ»×î³£ÓõÄĿ¼ԪÊý¾Ý½çÃæ£¬Ëü¿ÉΪÄúÌṩ×îÓÐЧµÄ·½·¨À´»ñÈ¡¡¢×ª»»²¢ÏÔʾ´ËÐÅÏ¢µÄ×Ô¶¨ÒåÐÎʽ¡£ËùÓÐÓû§¿ÉÓÃĿ¼Ԫ ......
using System;
using System.Collections;
using System.Collections.Specialized;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.SqlClient;
using System.Configuration;
using System.Runtime.InteropServices;
using System.Windows.Forms;
namespace DAL
{
......
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"_"ºÅ±íʾÈÎÒâµ¥¸ö×Ö·û,¸Ã·ûºÅÖ»ÄÜÆ¥ÅäÒ»¸ö×Ö·û."_"¿ÉÒÔ·ÅÔÚ²éѯÌõ¼þµÄÈÎÒâλÖÃ,ÇÒÖ»ÄÜ´ú±íÒ»¸ö×Ö·û.Ò»¸öºº×ÖֻʹÓÃÒ»¸ö"_"±íʾ.
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if PATINDEX('%[ß¹-×ö]%','ÐèÒªÅжϵÄ×Ö·û')>0 -- ÅжÏÊÇ·ñÓÐ×Ö·û
print 'Óкº×Ö'
else
print 'ÎÞºº×Ö'
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"%"·ûºÅÊÇ×Ö·ûÆ¥Åä·û,ÄÜÆ¥Åä0¸ö»ò¸ü¶à×Ö·ûµÄÈÎÒⳤ¶ ......