Ò׽ؽØͼÈí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

sqlserverÊý¾Ý¼Ó×ÜÅÅÐòµÄÓï¾äÔõôд£¿

sqlserverÊý¾Ý¼Ó×ÜÅÅÐòµÄÓï¾äÔõôд£¿
ÈçÏÂÊý¾Ý±ítable
id
a
a
a
b
b
c

ÎÒÒªµÃµ½µÄΪ£º
a 3
b 2
c 1

ÕâÑù¼Ó×ÜidÃû³ÆÒ»ÑùµÄ²¢½øÐÐÅÅÐòÓ¦¸ÃÔõôд£¿
SQL code:
select id,count(1) from tb group by id


SQL code:
SELECT *,(SELECT COUNT(1) from TB WHERE ID=T.ID)AS NUM
from TB T ORDER BY
(SELECT COUNT(1) from TB WHERE ID=T.ID) DESC


SQL code:
select id,count(1) as px from tb order by px desc

ÕâÑù£¿»¹ÊÇÇɺϣ¿

SQL code:
select id,count(1) from tb group by id ORDER BY 2 DESC


SQL code:
select id,count(1) as px from tb order by count(1) desc


SQL code:
---²âÊÔÊý¾Ý---
if object_id('[tb]') is not null drop table [tb]
go
create table [tb]([id] varchar(1))
insert [t


Ïà¹ØÎÊ´ð£º

win7ÉÏ°²×°sqlserver - MS-SQL Server / ÒÉÄÑÎÊÌâ

ÓÐÈËÊÔ¹ýÔÚwin7ÉÏ°²×°sqlserverÂð£¿
Ìý˵sql2000×°²»ÉÏÈ¥£¬²»ÖªµÀÆäËû°æ±¾Ðв»ÐС£

ºÃÏñ²»ÐÐ,²»¼æÈÝ,ÉÏ´ÎÒ²ÓÐÈËÎʹýѽ


ºÇºÇ£¬ÓÐÍøÓÑÓÐÏà¹ØµÄ¾­ÑéÂð£¿
Õâ¸ösqlserverÒª¾¡Á¿×°ÔÚwin7ÉÏ¡£

SQLSERVER 2000Ã ......

ÈçºÎ°ÑmysqlÀïµÄÊý¾Ýµ¼Èëµ½sqlserverÀ

ÎÒÏë°ÑmysqlÀïµÄusers±íÀïÊý¾Ýµ¼Èëµ½sqlserverÀïµÄfs_me_users±íÀï
ÀïÃæµÄ×ֶξͲ»ÁгöÀ´ÁË ÊǶÔÓ¦µÃ¡£
ÓÃasp asp.net »òÕß Ö±½ÓsqlÓï¾ä¶¼ÐÐ
Çë½Ì¸÷λ¡£¡£¡£¡££¡
Õâ¸ö²»ÄÑ°É
1. asp.net µÄ»°,¶ÁÈ¡mysqlµÄ¼Ç¼¼¯ ......

ÈçºÎ½«SqlServerÊý¾Ý¿âÖеÄÊý¾Ýµ¼Èëµ½ExcelÖУ¿

ÈçºÎ½«SqlServerÊý¾Ý¿âÖеÄÊý¾Ýµ¼Èëµ½ExcelÖУ¿
Ñ¡ÔñÊý¾Ý¿â£¬µã»÷ÓÒ¼ü ÈÎÎñ->µ¼³öÊý¾Ý Ö®ºó°´ÕÕÌáʾµ¼³ö¾Í¿ÉÒÔÁË£¡

±í¶àµÄ»° ÓÃÂ¥Éϵķ½·¨ ±È½Ï·½±ã ¿ÉÒÔ°ÑÊý¾Ý¿âÀïÏàÓ¦µÄ±íµ¼³ö »òÕßÈç¹ûÄãÊDzéѯ³öÀ´µÄ ......

sqlserverÌí¼ÓÊý¾ÝµÄÎÊÌâ - Java / Java EE


ÒÔÏ´úÂëÊÇÌí¼ÓÊý¾Ý°´Å¥µÄ´úÂ룬Ïë°Ñtestid£¬ºÍtestnameÁ½¸ötxt´«µÝµ½Êý¾Ý¿âÖÐ
Êý¾Ý¿âÁ¬½Ó¿Ï¶¨Ã»ÎÊÌâ
¾ÍÊǺìÉ«²¿·ÖÀϱ¨´í
²»ÖªµÀΪʲô-£¬-
Çë¸÷λ¸ßÈË°ïæ¿´¿´£¡
лл£¡
Java code:

private void new ......

¸ß·ÖÇósqlserverдexcel - MS-SQL Server / ÒÉÄÑÎÊÌâ

1.Ôõô°ÑÊý¾Ý´ÓsqlserverÀïÃæµÄÊý¾ÝдÈëµ½Ö¸¶¨Â·¾¶µÄexcel
±ÈÈç
declare @¹«Ë¾Ãû³Æ char(50)
set @¹«Ë¾Ãû³Æ = (select ¹«Ë¾Ãû³Æ from ¹«Ë¾ÐÅÏ¢)
EXEC [master]..xp_cmdshell 'bcp "select * from [master]. ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØͼ | ¸ÓICP±¸09004571ºÅ