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

Çë½Ì¸öSQL²éѯÎÊÌâ - Oracle / ¿ª·¢

ÎÒÏÖÔÚÓÐÒ»Õűí ÀïÃæÓÐÁ½Ìõ¼Ç¼
name time
ÕÅ 3
Íõ 2
ÏÖÔÚÎÒÏëÒªµÃµ½µÄ½á¹ûÊÇtimeÊǼ¸¾Í»á²éѯ³ö¼¸Ìõ
name time
ÕÅ 1
ÕÅ 1
ÕÅ 1
Íõ 1
Íõ 1
Ôõô×ö
-- ÕâÑùÕû£ºÓÐÒâÒåÂð£¿

µ±È»ÓÐÒâÒåÁË£¬ÎÒÄõıíÖ»²»¹ýÊǾٸöÀý×Ó£¬Êµ¼ÊÓô¦µ±È»ÓÐÁË¡£ÎÒÔÚÕâÀïÖ»²»¹ýÊǰÑÀý×ÓÃèÊöµÄ¼ò»¯ÁË¡£

ºóÃæµÄtime×ֶνá¹ûÊǼ¸¶¼²»Ëùν£¬²»ÊÇ1Ò²ÐУ¬
ÕÅ 3
Íõ 2
ÏÖÔÚÎÒÏëÒªµÃµ½µÄ½á¹ûÊÇtimeÊǼ¸¾Í»á²éѯ³ö¼¸Ìõ
name time
ÕÅ 3
ÕÅ 3
ÕÅ 3
Íõ 2
Íõ 2
ÕâÑù¿ÉÄÜ»á¼òµ¥µã£¬Çë½Ì¸ßÊÖÀ´°ï°ïæ°¡



4Â¥£¬5Â¥µÄ·¢·¨¶¼¿ÉÒÔ£¬µ«ÊÇÎÒÕâ²éѯ½á¹ûÓÐ5000Ìõ×óÓÒ£¬Ö´ÐÐÁË20·ÖÖÓ»¹Ã»²é³öÀ´¡£¡£

¸Õ¸ÕÄǸöSQLµÄЧÂʵÄÈ·²»ºÃ£¬ÊÔÏÂÕâ¸ö
SQL code:
select a.name, a.time
from tb a,
(SELECT level l
from (select max(time) maxtime from tb)
CONNECT BY level <= maxtime) b
where a.time >= b.l
order by a.name



Ïà¹ØÎÊ´ð£º

oracle·þÎñ״̬ÏÔʾ ¡°Í£Ö¹¡±

ÎÒÊÇÓÃÔ¶³Ì×ÀÃæÁ¬²Ù×÷·þÎñÆ÷ÉϵÄÊý¾Ý¿â¡£
ÔÚ´´½¨Ò»¸öÓû§Ö®ºó£¬ÔÙÓÃPLSQLµÇ¼£¬ÔòPLSQLËÀµôÁË¡£
ÎҹصôPLSQLÖ®ºó£¬ÓÃÆäËûÓû§Ò²²»ÄܵǼ¡£

ÎÒ°ÑoracleµÄ·þÎñÍ£Ö¹£¬½á¹û¾ÍÊÇoracleµÄ·þÎñ״̬¾ÍÍ£ÁôÔÚ¡°Í ......

OracleÁÙʱ±íʹÓÃÎÊÌâ - Oracle / ¿ª·¢

ÎҵĴ¦ÀíÊÇÕâÑùµÄ£º
ÎÒÓÐÒ»¸öºÜ´óµÄÊý¾Ý¼¯ºÏ£¬´¦ÓÚÐÔÄÜ·½ÃæµÄ¿¼ÂÇÐèҪʹÓÃÁÙʱ±í¹ý¶É£¬²¢ÇÒʹÓ÷ÖÒ³µÄ·½Ê½ÏòÁÙʱ±íÖвåÈëÊý¾Ý£¬Êý¾ÝʹÓÃÍê±Ïºó£¬É¾³ýÁÙʱ±íµÄÊý¾Ý¡£
³öÏÖµÄÏÖÏ󣺵±OracleÖØÐÂÆô¶¯ºó£¬µÚÒ»Ò³²åÈëµÄ ......

·ÖÏí×Ô¼ºµÄOracleÅäÖùý³Ì - Oracle / »ù´¡ºÍ¹ÜÀí

Ð»Ð»ÌÆÈËÀÏ´óµÄÖ¸µã£¬Ð»Ð»¸÷λ¸ßÊÖµÄÖ¸µã£¡
°²×°10g Enterprise¡£ÉÏÍøÏÂÁËMLDNµÄOracleÊÓÆµ£¬¸ú×ÅÊÓÆµÉϵÄÅäÖÃ×ߣ¬°²×°³É¹¦ÁË£¬µ«ÊÇûÍêÕûµØÅäÖá£
µã»÷½øÈ룺Database Configuration Assistant
1. ´´½¨Êý¾Ý¿â£» ......

oracle ´æ´¢¹ý³ÌÖÐÓ¦ÓÃÊÂÎñµÄÎÊÌâ - Oracle / ¿ª·¢

SQL code:

CREATE OR REPLACE PROCEDURE usp_refreshTopN IS
BEGIN
--Îĵµ
INSERT INTO topnresource(resourceId,title,type,cover,brief,properUser,tag,clickAmount,createDate,topNCreateDate,organizat ......

C# SQL µÄUPDATETEXT ÎÊÌâ - .NET¼¼Êõ / C#

A±í ÓÐÁ½¸ö×ֶΠ
  id ΨһÊý×ÖÓò
  InfoTxt text ÀàÐÍ
 ÎÒÏÖÔÚÒª°Ñ id ²»ÊÇ14 µÄËùÓÐ InfoTxt×Ö¶Î Îı¾ºóÃæ ¶¼¼ÓÉÏ 'aaa' 
°´ÏÂÃæÖ´ÐÐÏÂÀ´ Ö»Óбí×îºóÒ»ÐмÓÉÏÁË 'aaa' ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ