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

¸ßÊÖ°ïæoracle´æ´¢¹ý³ÌÎÊÌâ - Oracle / ¸ß¼¶¼¼Êõ

A£¬BΪ2£¬3£¬6£¬8£¬9ÖÐÈÎÒâÌØ¶¨Êý×Ö£»

  ZΪ0£¬1£¬4£¬5£¬7ÖÐÈÎÒâÌØ¶¨Êý×Ö£»

  XΪ0-9ÖÐÈÎÒâÊý×Ö£¬XXΪ²»ÏëµÈµÄÁ½Î»ÈÎÒâÊý×Ö£»

  È粻ͬ¹æÔòÏÂÓοÉÄܳöÏÖͬһÊý×Ö×éºÏ£¬²ÉÈ¡¾Í¸ß²»¾ÍµÍÔ­Ôò£»

ʵÏÖAAAZ,ZZZA,ZAZA,XABB,AXAA,AXBB,AZZA,AAZZ,XXA8ÕâЩ×éºÏ£¬
ÐèҪд³É´æ´¢¹ý³ÌÈ¥Ö´ÐУ¬Ôõôд°¡£¬Çó¸ßÊÖ½â´ð
ûÃ÷°×ÄãʲôÒâ˼£¬¿´²»¶®¡£

ÒýÓÃ
ûÃ÷°×ÄãʲôÒâ˼£¬¿´²»¶®¡£

½á¹û¾ÍÊÇ¿´ÓжàÉÙ×éºÏ£¬ÀýÈçAAAZ¾ÍÓÐ2360,2231µÈ

°ÑËùÓеÄ×éºÏ¶¼ÁгöÀ´¾ÍºÃÁË

¶à±íÁ¬½Ó²úÉúµÑ¿¨¶û»ý
±ÈÈçAAAZ:
SQL code:
WITH t AS(
SELECT ROWNUM-1 rn from dual
CONNECT BY ROWNUM<=10)
,A AS(
SELECT rn v from t WHERE rn IN(2,3,6,8,9))
,Z AS(
SELECT rn v from t WHERE rn IN(0,1,4,5,7))
SELECT a1.v||a2.v||a3.v||z.v
from A a1,A a2,A a3,Z



ÒýÓÃ
AAAÀïÈý¸öÊý²»ÄÜÏàµÈ£¿
¼Ó¸öÌõ¼þ
where a1.v<>a2.v and a1.v<>a3.v and a2.v<>a3.v

²»Óô洢¹ý³ÌÒ²ÐУ¬»ù±¾µÄsql´úÂëÔõôд°¡

ÒýÓÃ
¶à±íÁ¬½Ó²úÉúµÑ¿¨¶û»ý
±ÈÈçAAAZ:

SQL code
WITH t AS(
SELECT ROWNUM-1 rn from dual
CONNECT BY ROWNUM<=10)
,A AS(
SELECT rn v from t WHERE rn IN(2,3,6,8,9))
,Z AS(
SELECT rn v from t WHERE rn IN(0,¡­¡­
<


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 ......

Windows 7 ÔõÑù°²×°Oracle - Oracle / »ù´¡ºÍ¹ÜÀí

¸÷λ´ó¸ç£¬°ï¸öæ¡£

ϸöOracle for vista °æ±¾µÄ°²×°ÊÔÊÔ
10GºÍ11GµÄ 
http://www.oracle.com/technology/software/products/database/index.html 
------------------------------------------- ......

javaÁ¬²»ÉÏoracle£¿ - Java / Java EE

java.sql.SQLException: Io Òì³£: Connection refused(DESCRIPTION=(TMP=)(VSNNUM=186646784)(ERR=12505)(ERROR_STACK=(ERROR=(CODE=12505)(EMFI=4))))
at oracle.jdbc.dbaccess.DBError.throwSqlException(DBErro ......

·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£» ......

OracleÖв鿴×Ô¼º´´½¨µÄ±í - Oracle / ¸ß¼¶¼¼Êõ

Ôõôͨ¹ýÃüÁî²é¿´×Ô¼ºÒѾ­´´½¨µÄ±í£¿
select tname from tab;

SQL code:

--1.sysÓû§µÇ¼
select table_name
from dba_indexes
where table_owner = 'Óû§Ãû';
--2.ËùÓÐÓû§
select * from tab; ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ