ORACLE¹ÜÀíÔ±ÃÜÂ붪ʧ½â¾ö·½°¸
1¡¢OracleÀïÃæÓû§µÄÃÜÂëÊǽøÐмÓÃܱ£´æµÄ,ËùÒÔÖ»ÄÜÖØÐÂÐÞ¸ÄÉú³ÉеÄÃÜÂë.
ÀûÓÃϵͳ¹ÜÀíÔ±(sys)µÇ¼,½«scottÓû§µÄÃÜÂëÐ޸ļ´¿É
SQL>conn / as sysdba ;
ÒÑÁ¬½Ó¡£
SQL>alter user scott identified by tiger
;
Óû§ÒѸü¸Ä¡£
µ±È»Ò²¿ÉÒÔµ½WEB¶Ë½øÐÐÐ޸ĵØÖ·ÈçÏÂ:
http://localhsot:1158/em(ÏàÓ¦µÄ·þÎñ±ØÐëÆô¶¯)
µÇ¼֮ºóÔÚ¹ÜÀíÒ»ÏîÖÐÕÒµ½¹ÜÀíÔ±¹ÜÀí½øÐÐÏàÓ¦µÄ²Ù×÷¼´¿É.
2.ϵͳ¹ÜÀíÔ±(sys)µÄÃÜÂ붪ʧ½â¾ö·½·¨:
ÔÚOralceµÄ°²×°Ä¿Â¼ÏÂÃæ(D:\InstallSoftwer\Oracle\database)ÕÒµ½Ô¿ÚÁîÎļþ(PWDorcl.ora)½«Æäɾ
³ý
È»ºóÀûÓÃÏÂÃæµÄÃüÁîÉú³ÉÐÂÃÜÂëÎļþ¼´¿É.
SQL>orapwd
file=D:\InstallSoftwer\Oracle\database\PWDorcl.ora password=thtwin
entries=10 ;
//ÉÏÃæÊÇÕë¶ÔsysÓû§µÄ,ËùÒÔ²»ÓÃдÓû§ÃûÁË.ÐÞ¸ÄÖ®ºóµÄÃÜÂë¾ÍΪ:thtwin.
Ïà¹ØÎĵµ£º
OracleÊý¾Ýµ¼Èëµ¼³öimp/exp¾ÍÏ൱ÓÚoracleÊý¾Ý»¹ÔÓ뱸·Ý¡£expÃüÁî¿ÉÒÔ°ÑÊý¾Ý´ÓÔ¶³ÌÊý¾Ý¿â·þÎñÆ÷µ¼³öµ½±¾µØµÄdmpÎļþ£¬impÃüÁî¿ÉÒÔ°ÑdmpÎļþ´Ó±¾µØµ¼Èëµ½Ô¶´¦µÄÊý¾Ý¿â·þÎñÆ÷ÖС£
Ö´Ðл·¾³£º¿ÉÒÔÔÚSQLPLUS.EXE»òÕßDOS£¨ÃüÁîÐУ©ÖÐÖ´ÐУ¬ DOSÖпÉÒÔÖ´ÐÐʱÓÉÓÚ ÔÚoracle 8i ÖÐ °²×°Ä¿Â¼ora81BIN±»ÉèÖÃΪȫ¾Ö·¾¶£¬ ¸ÃÄ¿ ......
²»¿ÉÒÔÓñ£Áô×Ö×öΪ±íÃû£¬×Ö¶ÎÃûµÄ¡£
Èç¹ûÓõ¥¸öÓ¢Óïµ¥´Ê»ò´Ê×éÀ´±íʾ±íÃû»ò×Ö¶ÎÃû¡£Õâ±È½ÏÈÝÒ׺ͱ£Áô×Ö³åÍ»¡£ÈçºÎÖªµÀOracleÓÃÁËÄÄЩ±£Áô×ÖÄØ£¿
ϵͳ±ív$reserved_wordsÖдæ·ÅÁËËùÓеı£Áô×Ö¡£
select * from v$reserved_words;
OracleÓÐ500¸ö±£Áô×Ö£¬¼ÇסËùÓеı£Áô×ÖÓеãÀ§ÄÑ£¬Ã¿´Î¶¼²éÕÒ»áÓ°Ïìµ½¿ª·¢ËÙ¶È£¬Èç ......
Ò». ÓйØRACµÄÏà¹Ø¸ÅÄî
RAC:È«³ÆÊÇReal Application Cluster¡£RAC²¢·ÇÊǸöм¼Êõ£¬ÆäǰÉí½ÐOPS(Oracle Parallel Server)£¬´Ó9i¿ªÊ¼²Å¸ÄÃû½ÐRAC,oracle Data GuardÔÚ9i֮ǰ½Ð×öStandby
¸ÃÌåϵʵÏÖÁ˶à¸öʵÀýͬʱ·ÃÎʺ͹ÜÀíͬһÊý¾Ý¿â£¬¶à¸öʵÀý¿ÉÒÔ´æÔÚÓÚ²»Í¬½Úµã£¬Ò²¿ÉÒÔÔÚÏàͬµÄ½Ú ......
1.ÓÃOracleÓû§µÇ½Linux·þÎñÆ÷;
2.ÔÚÖÕ¶Ë´°¿ÚÊäÈë sqlplus /nolog
[oracle@hylinux ~]$ sqlplus /nolog
SQL*Plus: Release 10.2.0.1.0 - Production on ÐÇÆÚ¶þ 7ÔÂ 29 14:26:16 2008
Copyright (c) 1982, 2005, Oracle. All rights reserved.
& ......
¶ÔÓÚinstrº¯Êý£¬ÎÒÃǾ³£ÕâÑùʹÓ㺴ÓÒ»¸ö×Ö·û´®ÖвéÕÒÖ¸¶¨×Ó´®µÄλÖá£Àý
È磺
SQL> select
instr('yuechaotianyuechao','ao') position from dual;
POSITION
----------
6
´Ó×Ö·û´®'yuechaotianyuechao'µÄµÚÒ»¸öλÖÿªÊ¼£¬Ïòºó² ......