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

²é³öË­µÄ½±½ð×ܺÏÊÇ×î¸ßµÄ£¬SQLÓï¾ä

 Ô­ÎÄ´«ËÍÃÅ£ºhttp://topic.csdn.net/u/20091119/17/388cd1dd-4018-403f-a97f-0bc135895264.html?85256
Êý¾Ý¿âÀýÈç:
id      ÐÕ  Ãû  ½±  ½ð
1        ÕÅÈý    20Íò
2        ÀîËÄ    10Íò
3        ÍõÒ»    5Íò
4        ÍõÒ»    50Íò
5        ÀîËÄ    6Íò
ÎÒҪʵÏÖÏÂÃæµÄЧ¹û
id      ÐÕ  Ãû  ½±  ½ð
4        ÍõÒ»      55Íò
²é³öË­µÄ½±½ð×ܺÏÊÇ×î¸ßµÄ£¬SQLÓï¾äÓ¦¸ÃÔõôд
½¨±íÓï¾ä
-- Create table
create table TEST111
(
ID NUMBER,
NAME VARCHAR2(10),
T NUMBER
)
SQLÓï¾ä
SELECT A.ID, A.NAME, A.T, A.AA
from (SELECT T.ID, T.NAME, T.T, SUM(T.T) OVER(PARTITION BY T.NAME) AS AA
from TEST111 T
ORDER BY AA DESC

) A
WHERE ROWNUM = 1


Ïà¹ØÎĵµ£º

¶¯Ì¬´´½¨Sql ServerÓû§¼°ÆäȨÏÞ

Ò»¡¢ÈçºÎ¶¯Ì¬´´½¨Óû§
1.ʹÓô洢¹ý³Ì
sp_addlogin (Transact-SQL)
´´½¨Ð嵀 SQL Server µÇ¼£¬¸ÃµÇ¼ÔÊÐíÓû§Ê¹Óà SQL Server Éí·ÝÑéÖ¤Á¬½Óµ½ SQL Server ʵÀý¡£
ÖØÒªÌáʾ£º
ºóÐø°æ±¾µÄ Microsoft SQL Server ½«É¾³ý¸Ã¹¦ÄÜ¡£Çë±ÜÃâÔÚеĿª·¢¹¤×÷ÖÐʹÓøù¦ÄÜ£¬²¢×ÅÊÖÐ޸ĵ±Ç°»¹ÔÚʹÓøù¦ÄܵÄÓ¦ÓóÌÐò¡£Çë¸ÄÓà CREAT ......

sql DATEPART£¨£©º¯Êý

cdateÊÇdatetimeÀàÐ͵Ä×Ö¶Î
ͳ¼ÆÒ»ÄêµÄÈçÏÂ
 select datepart(yy,cdate) as 'Ô·Ý',sum(cmoney) from consumption group by datepart(yy,cdate)
ͳ¼ÆÒ»ÔµÄÈçÏÂ
 select datepart(mm,cdate) as 'Ô·Ý',sum(cmoney) from consumption where datepart(yy,cdate)=2009 group by datepart(mm,cdate)
ͳ¼ÆÒ»ÖÜ ......

Access(jet sql)ÓëMS SQL Server(t

 ÍøÉÏËѼ¯£¬±¸ÓÃ
ϱíÁгöÁË ANSI SQL Êý¾ÝÀàÐͺ͵ÈЧµÄ Microsoft Jet Êý¾Ý¿âÒýÇæ SQLÊý¾ÝÀàÐÍ»¹ÓÐËüÃǵÄÓÐЧͬÒå×ÖÒÔ¼° µÈЧµÄ Microsoft SQL ServerÊý¾ÝÀàÐÍ¡£
ANSI SQL
Êý¾ÝÀàÐÍ
Microsoft Access
SQL Êý¾ÝÀàÐÍ
ͬÒå´Ê
Microsoft SQL
Server Êý¾ÝÀàÐÍ
BIT¡¢BIT VARYING
BINARY£¨²Î¼û×¢ÊÍ£©
VARBINARY¡¢ ......

ÎÞ·¨Á¬½Óа²×°µÄSQL Server 2005 Express

½ñÌìÔÚµçÄÔÉϰ²×°ÁËVisual Studio 2005£¬ÀïÃæ×Ô´øÁËÒ»¸öSQL Server 2005 Express¡£°²×°Íê³ÉÖ®ºó½øÈëVS£¬Ð½¨Ò»¸öÊý¾Ý¿âÏîÄ¿£¬Ôړн¨Êý¾Ý¿âÒýÓÔһ²½Óöµ½ÁËÆæ¹ÖµÄÎÊÌâ¡£
ÔÚ·þÎñÆ÷ÃûµÄÏÂÀ­ÁбíÀïÃæ£¬Í¨¹ýµã»÷“ˢД°´Å¥¿ÉÒÔÏÔʾµ±Ç°Í¨¹ýÍøÂç¿ÉÒÔÁ¬½Óµ½µÄÊý¾Ý¿âµÄÐÅÏ¢£¬ÆäÖÐÓÐÎÒµÄÖ÷»ú¡£È»¶ø£¬Ñ¡ÔñÁ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ