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

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¡¢ ......

½«MySQLÖÐsqlÔËÐнá¹û±£´æµ½Îļþ

 ÓÐÁ½ÖÖ·½·¨¡£
·½·¨Ò»£ºÔÚmysql>Ìáʾ·ûÖÐʹÓÃtee
mysql> tee output.txt
Logging to file 'output.txt'
mysql> notee
Outfile disabled.
»òÕß
mysql> \T output.txt
Logging to file 'output.txt'
mysql> \t
Outfile disabled.
Õâ¸öÀàËÆÓÚsqlplusµÄspool¹¦ÄÜ£¬¿ÉÒÔ½«ÃüÁîÐÐÖеĽá¹û±£´æµ½Í ......

SQL×¢Èë·¨¹¥»÷Ò»ÈÕͨ

 
Ëæ×ÅB/SģʽӦÓÿª·¢µÄ·¢Õ¹£¬Ê¹ÓÃÕâÖÖģʽ±àдӦÓóÌÐòµÄ³ÌÐòÔ±Ò²Ô½À´Ô½¶à¡£µ«ÊÇÓÉÓÚ³ÌÐòÔ±µÄˮƽ¼°¾­ÑéÒ²²Î²î²»Æë£¬Ï൱´óÒ»²¿·Ö³ÌÐòÔ±ÔÚ±àд´úÂëµÄʱºò£¬Ã»ÓжÔÓû§ÊäÈëÊý¾ÝµÄºÏ·¨ÐÔ½øÐÐÅжϣ¬Ê¹Ó¦ÓóÌÐò´æÔÚ°²È«Òþ»¼¡£Óû§¿ÉÒÔÌá½»Ò»¶ÎÊý¾Ý¿â²éѯ´úÂ룬¸ù
¾Ý³ÌÐò·µ»ØµÄ½á¹û£¬»ñµÃijЩËûÏëµÃÖªµÄÊý¾Ý£¬Õâ¾ÍÊÇËù ......

oracle¸ß¼¶sqlµÄ²Î¿¼×ÊÁÏ

 1.¼¯ºÏ²Ù×÷
ѧϰoracleÖм¯ºÏ²Ù×÷µÄÓйØÓï¾ä£¬ÕÆÎÕunion,union all,minus,interestµÄʹÓÃ,Äܹ»ÃèÊö½áºÏÔËË㣬²¢ÇÒÄܹ»½«¶à¸ö²éѯ×éºÏµ½Ò»¸ö²éѯÖÐÈ¥£¬Äܹ»¿ØÖÆÐзµ»ØµÄ˳Ðò¡£
°üº¬¼¯ºÏÔËËãµÄ²éѯ³ÆÎª¸´ºÏ²éѯ¡£¼û±í¸ñ1-1
±í1-1
Operator         Returns       ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ