sql²éѯÎÊÌ⣬ÇóÖú
Êý¾Ý±íÖÐÓÐÁ½¸ö×ֶΣº
num val
aa 4
bc 3
jj 6
qt 7
pi 1
io 7
uy 0
ÆäÖÐnumΪÖ÷¼ü£¬ÊÇÁ½Î»ÎÞ¹æÂɲ»Öظ´µÄ×Öĸ£¬ÏÖÖªµÀÒ»Ìõ¼Ç¼Ϊjj 6£¬ÈçºÎͨ¹ýÒ»Ìõ²éѯÓï¾ä»ñµÃ±íÖиÃÌõ¼Ç¼£¨jj 6£©Ö®ºóµÄËùÓмǼ£¬ÈçÈ¡µÃqt 7£¬pi 1£¬io 7£¬uy 0
ÇóÖú£¡
SQL code:
¼ÈÈ»numÊÇÖ÷鍵
select *
from tb
where num>'JJ'
Ôö¼ÓÅÅÐò×ֶΣ¬
¸ù¾ÝÅÅÐò×Ö¶Îȡֵ¡£
SQL code:
--> Title : Generating test data [tb]
--> Author :
--> Date : 2009-11-26 09:12:56
if object_id('[tb]') is not null drop table [tb]
go
create table [tb] (num nvarchar(4),val int)
insert into [tb]
select 'aa',4 union all
select 'bc',3 union all
select 'jj',6 union all
select 'qt',7 union all
select 'pi',1 union all
select 'io',7 union all
select 'uy',0
declare @sql varchar(8000)
select @sql=isnull(@sql+',','')+num+' '+ltrim(val)from tb where num>'jj'
select @sql
/*
qt 7,pi 1,uy 0
(1 個資ÁÏÁÐÊܵ½Ó°響)
*/
SQL code
Code highlighting produced by Actipro CodeHighlighter (freeware)
htt
Ïà¹ØÎÊ´ð£º
±íÈçÏÂ
½ÌÊÒID ×ùλÊý ¿ªÊ¼Ê±¼ä ½áÊøÊ±¼ä 2009Äê1ÔÂ1ÈÕ 2009Äê1ÔÂ2ÈÕ 2009Äê1ÔÂ3ÈÕ
101 50 08£º00 08£º30 30 40 50
101 50 09£º00 ......
ÇëÎÊһϣ¬ÍâÍøÁ½Ì¨SQLSERVERʵÀýÊý¾Ý´«Ê䣬ÓÐûÓвÉÓÃÊý¾ÝѹËõºÍ¼ÓÃÜ¡£Ñ¹Ëõ±ÈÊǶàÉÙ£¬¼ÓÃÜÊÇʲô¼ÓÃÜËã·¨£¿Ïà¹ØÎĵµÄÄÀï¿ÉÒÔÕÒµ½£¿Ð»Ð»
ÎÒÒ²ÏëÖªµÀ£¡¹Ø×¢´ËÌù£¡
¹Ø×¢¡«¡«
Êý¾Ý¿â´óÅ£¶¼ÄÄÈ¥Á˰¡£¿
......
ÓÐÁ½¸öͬÑùµÄ±í½á¹¹
±í½á¹¹ÈçÏ£º
id£¨ÐòºÅ£© parentid £¨¸¸½áµãÐòºÅ£© name(½áµãÃû³Æ)
±í1 ¼Ç¼ 1 0 aaa
2 ......
ÓÐ2¸ö±í°¡£º
±íÃû£ºyh
Óû§±àÂë Óû§Ãû³Æ
001 a
002 b
003 c
±íÃû£ºys
Óû§±àÂë ±¾ÆÚÖ¸Êý ³±íʱ¼ä
001 ......
sql 2005Êý¾Ý¿âÎÒÏëµÃµ½Ò»×Ö·û´®Îª:
sldkf|||sdeww
erkv|||rltdk
jemcl|||ligf
¾ÍÊÇ|||ºóÃæµÄ×Ö·ûÓÐʲôº¯ÊýÄܵõ½Âð£¿ÊÇÔÚsqlÓï¾äдµÄ£¬²»ÊÇÔÚÒ³ÃæÐ´µÄ£¬ÄÇλ¸ßÊÖÀ´Ö¸½ÌÏ£¬ÐÂÊÖ£¬Ð»Ð»
ÔÎ µ ......