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

oracleÈçºÎɾ³ý1Ô·ÝËùÓÐÊý¾Ý - Oracle / ¿ª·¢

oracleÈçºÎɾ³ý1Ô·ÝËùÓÐÊý¾Ý

±íÃûTEST¡¢Ê±¼äÁÐÃûcreate_date
create_date µÄ¸ñʽ Êý¾ÝÀàÐÍ

DATEÀàÐÍ ¸ñʽ2010-01-20 14:12:50


3 Â¥Õý½â ÏÂÊÖÕæ¿ì

Èç¹ûÊý¾ÝΪº£Á¿Êý¾ÝµÄ»°½¨ÒéʹÓ÷ÖÇø,Ó÷ÖÇøµÄtruncate

Òª¸ù¾ÝÔ·ݷÖ×éÔõô·Ö£¿ÎÒ·Ö³öÀ´Êǰ´Ìì·ÖµÄÓôÃÆÁË

group by to_char(create_date,'yyyymm')

¿Ï¶¨Èö Èç¹ûÄã°Ñʱ¼äÄÇÁж¼ÁгöÀ´ ¿Ï¶¨ÊǺϲ¢²»Á˵ÄÈö¡£È¥µôʱ¼äÁÐ

where create_date>=date'2010-1-1' and create_date<date'2010-2-1'
ÎұȽÏϲ»¶Õâôд£¬ÉÙÒ»²ãת»»³É±¾

ÒýÓÃ
SQL code
delete from test where to_char(create_date,'yyyymm') = '201001'

ºÜ¼òµ¥£¬¾ÍÊÇÕâÑùÁË£¡


Ïà¹ØÎÊ´ð£º

Çë½ÌsqlÓï¾ä¡£ - Oracle / ¿ª·¢

ÎÒÓÐÒ»¸ö±í£¬½á¹¹ÊÇÕâÑù¡£
  ת³ö µ¥Î» תÈ뵥λ ±ÊÊý ½ð¶î
date(Ö÷) outid(Ö÷) inid(Ö÷) num amt
2009 1 2 1 500 Ϊ 1 µ¥Î» ÔÚ2009Ä ......

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 ......

SQL·ÖÒ³ÓëOracle·ÖÒ³µÄÒÉÎÊ£¿ - Java / Web ¿ª·¢

ÕâÀïÏëÁ˽âÏ£¬¹ØÓÚSQL ServerÖзÖÒ³ºÍOracleÖзÖÒ³£»
ƽ³£Ð´Ó¦ÓóÌÐòµÄʱºò£¬±ÈÈçÓõÄÓïÑÔÊÇJava£¬ÓиöÁбíÒ³Ãæ£¬ÐèÒª¶ÔÊý¾Ý·ÖÒ³ÏÔʾ£»
ÕâÀïÒª·ÖÒ³ÄѵÀ²»ÐèÒª½èÖúJava£¬¶øÖ±½ÓsqlÄÜÖªµÀ·ÖÒ³Âð£¬ÆðÂëÒ²Òª´«¸öÒ³Âë½ ......

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 ......

¹ØÓÚSQLÓï¾äORµÄÎÊÌâ - Oracle / ¸ß¼¶¼¼Êõ

ͨ¹ýNAME×Ö¶ÎÌõ¼þ²éѯһ¸öÊý¾Ý±í£¬¼ÙÉèÎÒÓÐ100¸öÐÕÃû£¬ÓÐÒÔÏÂÁ½¸ö·½·¨£¬
·½·¨1£º
°Ñ100¸öName ×é³ÉÒ»¸öSQLÓï¾ä£¬±ÈÈç Select * from tmp_table where Name='ÕÅÈý' or Name ='ÀîËÄ' Or ...Or Name='µÚÒ»°Ù¸öÐÕÃû'
......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ