Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

ÇóÖúÒ»¾äSQLÓï¾ä

Êý¾ÝÀàÐÍ£º
Code char(6)
CreateTime datetime
Price float

Êý¾ÝÈçÏ£º

Code      CreateTime          Price
031002 2008-10-17 15:00:15    3.58
031012 2008-10-17 15:00:16    5.53
031022 2008-10-17 15:00:17    4.54
031032 2008-10-17 15:00:18    3.51
031013 2008-10-17 15:00:19    3.52
031023 2008-10-17 15:00:20    2.50
031033 2008-10-17 15:00:21    4.53
031054 2008-10-17 15:00:22    3.55
031004 2008-10-17 15:00:23    3.55
031024 2008-10-17 15:00:24    5.57

ÎÒ²éѯ
SELECT * from Table Where Price between 4 and 5
³öÀ´µÄ½á¹ûÊÇ

031022 2008-10-17 15:00:17    4.54
031033 2008-10-17 15:00:21    4.53

ÎÒÏëÒªµÄ½á¹ûÊÇ

031032 2008-10-17 15:00:18    3.51
031054 2008-10-17 15:00:22    3.55

¾ÍÊÇ˵Ҫ·ûºÏ²éѯµÄÌõ¼þµÄÏÂÒ»Ìõ£¬Ëû±¾ÌõÌø¹ý£¬ÇëÎÊÕâ¾äSQLÒªÔõôд£¬Ð»Ð»£¡
SQL code:
SELECT *,(select count(1) from [table] where Code<=T.code) as id into #temp from [Table] t Where Price between 4 and 5

select * from #temp t where
exists (SELECT 1 from #temp Where Price betw


Ïà¹ØÎÊ´ð£º

SQLÓï¾äÎÊÌâ

create trigger TR_Delete_pm_WorkCard
on pm_WorkCard
for delete
as
if @@rowcount=0 return
begin tran
  update pm_PlanEntry
  set FDispatchQty=t4.FDispatchQty - t1.FDispat ......

ÇóSQL¡«¡«¡«¡«¡«

×ÜÊý±í
×Ö¶Î num,freq
numÊÇËùÊôÆÚµÄ×ÜÊý£¬freqÊǼǼ¸ÃÊýÖµËùÊôÄÄÒ»ÆÚµÄ


ÇøÓò±í
×Ö¶Î area_name,tot,freq
ÇøÓòÃû³Æ£¬¸ÃÇøÓòµÄ×ÜÊý£¬ËùÊôÆÚ

Á½ÕÅ±í¿¿freq¹ØÁª£¬ÇÒ²»ÊÇ×ÔÔö×ֶΣ¬²»ÊÇÖ ......

ÈçºÎʵÏÖSQL Server±¨±í¶¨Ê±Êä³ö

ÏÖÔÚÐèÒªÔÚSQL ServerʵÏÖ¶¨Ê±±¨±íÊä³öµÄ¹¦ÄÜ£¬
ÀýÈçÔÚÿÌìµÄ12µãÉú³Éµ±ÌìµÄ±¨±í£¬²¢Êä³öµ½Excel»òÆäËü¸ñʽµÄÎļþÖС£
ÎÒµ÷²éÁËһϣ¬ËµSQL Server ±¨±í·þÎñÓÐÕâ¸ö¹¦ÄÜ£¬µ«ÊÇûÓùý±¨±í·þÎñ£¬²»ÖªÈçºÎʵÏÖ£¬Çë ......

sql ´æ´¢¹ý³Ì ¶¯Ì¬±í DateTimeÊý¾ÝÀàÐÍ Ìí¼ÓÎÊÌâ

ÎÒµÄÊý¾Ý¿âµÄ±íÊǶ¯Ì¬µÄ±í,ÔÚÌí¼ÓÊý¾ÝµÄʱºòÓÐÒ»¸ö×Ö¶ÎÊÇDATETIMEÊý¾ÝÀàÐ͵Ä,ÏÂÃæÊÇ´æ´¢¹ý³Ì
if exists (select * from sysobjects where name='proc_ADD_Order')
drop proc proc_ADD_Order
go
......

sql×Ö·û´®Ìæ»»(ÓеãÌôÕ½···)

±ÈÈç ÓÐÒ»×Ö¶ÎΪ£º
Num
6111
6201
6520
65121
60087
46300

ÎÒÏë°Ñ6¿ªÍ·µÄÈ«¶¼Ìæ»»³É5¿ªÍ·

×¢ÒâÕâÊDZíÀïµÄÊý¾Ý£¬ÎÒÏëÓÃSQLÓï¾äʵÏÖÌæ»»
SQL code:
update tb set
num = s ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ