oracle³£ÓÃÃüÁîÏê½â
oracleÀïµÄ³£ÓÃÃüÁîÏê½â
±¾ÎÄÕë¶ÔoracleÈÕ³£µÄÃûÁî×öÁ˽éÉÜ£¬»¶Ó¸÷λ´óÏÀ¶àÌᱦ¹óÒâ¼ûºÍ¶à¶à²¹³ä£¡
Ò»
ÈÕÖ¾¹ÜÀí
1.forcing log switches
sql> alter system switch logfile;
2.forcing checkpoints
sql> alter system checkpoint;
3.adding online redo log groups
sql> alter database add logfile [group 4]
sql> ('/disk3/log4a.rdo','/disk4/log4b.rdo') size 1m;
4.adding online redo log members
sql> alter database add logfile member
sql> '/disk3/log1b.rdo' to group 1,
sql> '/disk4/log2b.rdo' to group 2;
5.changes the name of the online redo logfile
sql> alter database rename file 'c:/oracle/oradata/oradb/redo01.log'
sql> to 'c:/oracle/oradata/redo01.log';
6.drop online redo log groups
sql> alter database drop logfile group 3;
7.drop online redo log members
sql> alter database drop logfile member 'c:/oracle/oradata/redo01.log';
8.clearing online redo log files
sql> alter database clear [unarchived] logfile 'c:/oracle/log2a.rdo';
9.using logminer analyzing redo logfiles
a. in the init.ora specify utl_file_dir = ' '
b. sql> execute dbms_logmnr_d.build('oradb.ora','c:\oracle\oradb\log');
c. sql> execute dbms_logmnr_add_logfile('c:\oracle\oradata\oradb\redo01.log',
sql> dbms_logmnr.new);
d. sql> execute dbms_logmnr.add_logfile('c:\oracle\oradata\oradb\redo02.log',
sql> dbms_logmnr.addfile);
e. sql> execute dbms_logmnr.start_logmnr(dictfilename=>'c:\oracle\oradb\log\oradb.ora');
f. sql> select * from v$logmnr_contents(v$logmnr_dictionary,v$logmnr_parameters
sql> v$logmnr_logs);
g. sql> execute dbms_logmnr.end_logmnr;
¶þ
±í¿Õ¼ä¹ÜÀí
1.create tablespaces
sql> create tablespace tablespace_name datafile 'c:\oracle\oradata\file1.dbf' size 100m,
sql> 'c:\oracle\oradata\file2.dbf' size 100m minimum extent 550k [logging/nologging]
sql> default storage (initial 500k next 500k maxextents 500 pctinccease 0)
sql> [online/offline] [permanent/temporary] [e
Ïà¹ØÎĵµ£º
Àí½âoracleÖÐÁ¬½ÓºÍ»á»° 1. ¸ÅÄͬ£º¸ÅÄͬ£º
Á¬½ÓÊÇÖ¸ÎïÀíµÄÍøÂçÁ¬½Ó¡£
ÔÚÒѽ¨Á¢µÄÁ¬½ÓÉÏ£¬½¨Á¢¿Í»§¶ËÓëoracleµÄ»á»°£¬ÒÔºó¿Í»§¶ËÓëoracleµÄ½»»¥¶¼ÔÚÒ»¸ö»á»°»·¾³ÖнøÐС£
2. ¹ØÏµÊǶà¶Ô¶à£º
Ò»¸öÁ¬½ÓÉÏ¿ÉÒÔ½¨Á¢0¸ö£¬1¸ö£¬2¸ö£¬¶à¸ö»á»°¡£
OracleÔÊÐí´æÔÚÕâÑùµÄ»á»°£¬¾ÍÊÇʧȥÁËÎïÀíÁ¬½ÓµÄ»á»°¡£
3. ¸ÅÄîÓ¦Ó㺸 ......
½ñÌìÓöµ½Ò»¸öÎÊÌ⣬PERL ÒýÆðOracleÊý¾Ý¿â100% CPU£¬ÏµÍ³ÊÇenterprise linux 4 update 7 64 bit
²é¿´½ø³ÌÔÀ´ÊÇgridµÄagent¡£Ö»ÓÐÏÈÍ£µôgrid
./emctl stop agent
./opmn stopall
pkill -9 perl
È»ºóÔÙ¿´¿´ÓÐûÓÐʲôbug¡£ ÕâÊǸöbug£¬ ´òÁËpatch 5908032ºóºÃÏñÕý³£ÁË¡£
oracle 549 &nbs ......
³éÏóÊý¾ÝÀàÐÍ
1¡¢´´½¨ÀàÐÍ
--µØÖ·ÀàÐÍ
CREATE OR REPLACE TYPE AddressType AS OBJECT
(
Country varchar2(15),
City varchar2(20),
Street varchar2(30)
);
2¡¢ÀàÐÍǶÌ×
--´´½¨»ùÓÚǰһ¸öÀàÐ͵ÄеijéÏóÊý¾ÝÀàÐÍ£º¾ÞÐÇÀàÐÍ
CREATE OR REPLACE TYPE SuperStarType AS OBJECT
(
StarName varchar2(30),
Addres ......
ÔÚ°²×°ÍêOracle
10gÖ®ºó£¬Ïë´ò¿ªsql*plusÀ´Ñ§Ï°£¬È»ºó°´ÕÕÊéÉϵIJ½ÖèÓÃscottÓû§À´Á¬½ÓÊý¾Ý¿â£¬¿ÉÊäÁ˺ü¸´Î¶¼Ìáʾһ¸ö´íÎó¡£
error£º the account is locked
È»ºóÉÏÍø²éÁËÒ»ÏÂÖ®ºó·¢ÏÖÕâ¸öÓû§±»Ëø¶¨ÁË£¬ÖÁÓÚËüΪʲô±»Ëø¶¨£¬¿ÉÄÜÊÇÏÂÃæ¼¸¸öÔÒò¡£
1.³¢ÊÔ¶à´ÎµÇ¼δ³É¹¦.(¿ÉÄÜÃÜÂë²»ÕýÈ·)
2.´ËÓû§±»¹ÜÀíÔ±ÊÖ¹¤Ëø¶¨ ......
ÔÚÐéÄâ»úRed Hat Enterprise Linux 4 update 4Öа²×°oracle 10.2.0.1
1)²é¿´ÏµÍ³ÄÚ´æ
[root@linux4 ~]# grep MemTotal /proc/meminfo
2)²é¿´½»»»Çø´óС
[root@linux4 ~]# grep SwapTotal /proc/meminfo
3)
²é¿´/tmpĿ¼´óС
[root@linux4 ~]# df -m /tmp
4)²é¿´²Ù×÷ϵͳ°æ±¾
[root@linux4 ~]# cat /etc/issue
5)¼ ......