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Article #9478CSDN_ORACLE����ɵ�φ��}1000��(֮һ(ת��)
From: ����
Date: Wed, 06 Aug 2003 02:54
Date: Wed, 06 Aug 2003 02:54
402 lines
10375 bytes
10375 bytes
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ORACLE����ɵ�φ��}1000��(֮һ)
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��ORACLE���ց��f�Dz��ÿ���.
1. Oracle���b��ɺ�ij�ʼ����?
��internal/oracle
����sys/change_on_install
����system/manager
����scott/tiger
����sysman/oem_temp
2. ORACLE9IAS WEB CACHE�ij�ʼĬ���û������룿
administrator/administrator
3. oracle 8.0.5��ô������ݿ�?
��orainst�������motif���棬������orainst /m
4. oracle 8.1.7��ô������ݿ�?
dbassist
5. oracle 9i ��ô������ݿ�?
dbca
6. oracle�е����豸ָ����ʲô?
���豸�����ƹ��ļ�ϵͳֱ�ӷ��ʵĴ���ռ�
7. oracle������ 64-bit/32bit �汾������
$ sqlplus '/ AS SYSDBA'
SQL*Plus: Release 9.0.1.0.0 - Production on Mon Jul 14 17:01:09 2003
(c) Copyright 2001 Oracle Corporation. All rights reserved.
Connected to:
Oracle9i Enterprise Edition Release 9.0.1.0.0 - Production
With the Partitioning option
JServer Release 9.0.1.0.0 - Production
SQL> select * from v$version;
BANNER
----------------------------------------------------------------
Oracle9i Enterprise Edition Release 9.0.1.0.0 - Production
PL/SQL Release 9.0.1.0.0 - Production
CORE 9.0.1.0.0 Production
TNS for Solaris: Version 9.0.1.0.0 - Production
NLSRTL Version 9.0.1.0.0 - Production
SQL>
8. SVRMGRʲô��˼��
svrmgrl��Server Manager.
9i��û�У��Ѿ���Ϊ��SQLPLUS��
sqlplus /nolog
��Ϊ�鵵��־�͵�
9. ������ηֱ�ij���û��Ǵ���̨������½ORACLE��?
SELECT machine , terminal FROM V$SESSION;
10. ��ʲô����ѯ�ֶ��أ�
desc table_name ���Բ�ѯ��Ľṹ
select field_name,... from ... ���Բ�ѯ�ֶε�ֵ
select * from all_tables where table_name like '%'
select * from all_tab_columns where table_name='??'
11. ����õ�����������̡�����Ĵ����ű���
desc user_source
user_triggers
12. �������һ����ռ�õĿռ�Ĵ�С��
select owner,table_name,
NUM_ROWS,
BLOCKS*AAA/1024/1024 "Size M",
EMPTY_BLOCKS,
LAST_ANALYZED
from dba_tables
where table_name='XXX';
Here: AAA is the value of db_block_size ;
XXX is the table name you want to check
13. ��β鿴���Ự��
SELECT * FROM V$PARAMETER WHERE NAME LIKE 'proc%';
SQL>
SQL> show parameter processes
NAME TYPE VALUE
------------------------------------ ------- ------------------------------
aq_tm_processes integer 1
db_writer_processes integer 1
job_queue_processes integer 4
log_archive_max_processes integer 1
processes integer 200
����Ϊ200���û���
select * from v$license;
����sessions_highwater��¼��������Ự��
14. ��β鿴ϵͳ���������ʱ�䣿
select * from v$locked_object ;
15. �����archivelog�ķ�ʽ����oracle��
init.ora
log_archive_start = true
RESTART DATABASE
16. ��ô��ȡ����Щ�û���ʹ����ݿ�
select username from v$session;
17. ��ݱ��е��ֶ�������Ƕ���?
�����ͼ�е��������Ϊ 1000
18. ��������ݿ��SID ?
select name from v$database;
Ҳ����ֱ�Ӳ鿴 init.ora�ļ�
19. �����Oracle��������ͨ��SQLPLUS�鿴����IP��ַ ?
select sys_context('userenv','ip_address') from dual;
����ǵ�½������ݿ⣬ֻ�ܷ���127.0.0.1���Ǻ�
20. unix ����ô������ݿ��ʱ�䣿
su -root
date -u 08010000
21. ��ORACLE TABLE�����ץȡMEMO��͙�λ��յ��Y��ӛ�?
select remark from oms_flowrec where trim(' ' from remark) is not null ;
22. �����BBB����Y��ȥ����AAA����Y��(���P���ֶ�)
UPDATE AAA SET BNS_SNM=(SELECT BNS_SNM FROM BBB WHERE AAA.DPT_NO=BBB.DPT_NO) WHERE BBB.DPT_NO IS NOT NULL;
23. P4��X���b����
��SYMCJIT.DLL��SYSMCJIT.OLD
24. �β�ԃSERVER�Dz���OPS?
SELECT * FROM V$OPTION;
���PARALLEL SERVER=TRUE�t��OPS��
25. �β�ԃÿ���Ñ��ę���?
SELECT * FROM DBA_SYS_PRIVS;
26. ��Ό����Ƅӱ���g?
ALTER TABLE TABLE_NAME MOVE TABLESPACE_NAME;
27. ��Ό������Ƅӱ���g?
ALTER INDEX INDEX_NAME REBUILD TABLESPACE TABLESPACE_NAME;
28. ��LINUX,UNIX����Ά���DBA STUDIO?
OEMAPP DBASTUDIO
29. ��ԃ�i�Ġ�r�Č�����?
V$LOCK, V$LOCKED_OBJECT, V$SESSION, V$SQLAREA, V$PROCESS ;
��ԃ�i�ı�ķ���:
SELECT S.SID SESSION_ID, S.USERNAME, DECODE(LMODE, 0, 'None', 1, 'Null', 2, 'Row-S (SS)', 3, 'Row-X (SX)', 4, 'Share', 5, 'S/Row-X (SSX)', 6, 'Exclusive', TO_CHAR(LMODE)) MODE_HELD, DECODE(REQUEST, 0, 'None', 1, 'Null', 2, 'Row-S (SS)', 3, 'Row-X
(SX)', 4, 'Share', 5, 'S/Row-X (SSX)', 6, 'Exclusive', TO_CHAR(REQUEST)) MODE_REQUESTED, O.OWNER||'.'||O.OBJECT_NAME||' ('||O.OBJECT_TYPE||')', S.TYPE LOCK_TYPE, L.ID1 LOCK_ID1, L.ID2 LOCK_ID2 FROM V$LOCK L, SYS.DBA_OBJECTS O, V$SESSION S WHERE L.SID =
S.SID AND L.ID1 = O.OBJECT_ID ;
30. ���i?
ALTER SYSTEM KILL SESSION ��SID,SERIR#��;
31. SQLPLUS������ľ���?
DEFINE _EDITOR="<�༭��������·��>" -- �������˫���
�������µı༭����Ҳ�������д��$ORACLE_HOME/sqlplus/admin/glogin.sql����ʹ��������Ч��
32. ORACLE�a���S�C������?
DBMS_RANDOM.RANDOM
33. LINUX�²�ԃ�űP������r����?
Sar -d
33. LINUX�²�ԃCPU������r����?
sar -r
34. ��ԃ��ǰ�Ñ���?
SELECT * FROM USER_OBJECTS;
SELECT * FROM DBA_SEGMENTS;
35. ��Ϋ@ȡ�e�`��Ϣ?
SELECT * FROM USER_ERRORS;
36. ��Ϋ@ȡ朽Ӡ�r?
SELECT * FROM DBA_DB_LINKS;
37. �鿴�������ַ��r?
SELECT * FROM NLS_DATABASE_PARAMETERS;
SELECT * FROM V$NLS_PARAMETERS;
38. ��ԃ����g��Ϣ?
SELECT * FROM DBA_DATA_FILES;
39. ORACLE��INTERAL�Ñ�Ҫ����?
�� SQLNET.ORA
SQLNET.AUTHENTICATION_SERVICES=(NTS)
40. ���FJAVA.EXE�Ľ�Q�k��?
һ���nj�ORACLEORAHOMEXIHTTPSERVER�ij��ֹ����ӿ��Ե�
X��8��9
41. ��θ�?�м�ע�ͣ�
SQL>comment on table �� is '��ע��';
ע���Ѵ�����
SQL>comment on column ��.�� is '��ע��';
ע���Ѵ�����
SQL> select * from user_tab_comments where comments is not null;
42. ��β鿴������ռ�ռ�ô��������
SQL> col tablespace format a20
SQL> select
b.file_id �ļ�ID��,
b.tablespace_name ��ռ���,
b.bytes �ֽ���,
(b.bytes-sum(nvl(a.bytes,0))) ��ʹ��,
sum(nvl(a.bytes,0)) ʣ��ռ�,
sum(nvl(a.bytes,0))/(b.bytes)*100 ʣ��ٷֱ�
from dba_free_space a,dba_data_files b
where a.file_id=b.file_id
group by b.tablespace_name,b.file_id,b.bytes
order by b.file_id
43. ���ORACLE����ΪMTS��ר��ģʽ��
#dispatchers="(PROTOCOL=TCP) (SERVICE=SIDXDB)"
���Ͼ���MTS��ע�;���ר��ģʽ��SID��ָ���ʵ����
44. ��β��ܵ�֪ϵͳ��ǰ��SCN�� ?
select max(ktuxescnw * power(2, 32) + ktuxescnb) from x$ktuxe;
45. ���������ORACLE��ȡ����?
9i֮ǰ��֧��,9i��ʼ��timestamp.
9i������select systimestamp from dual;
���І��}�gӭ���һ��̽ӑ!
���m...
--
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X-Google-Language: Chinese,GB X-Google-Thread: 101948,70581c92fd6f3f23,start X-Google-Attributes: gid101948,public X-Google-ArrivalTime: 2003-08-05 19:55:29 PST Path: arc1-ca.pugleaf.net!archiver1.google.com!news1.google.com!sn-xit-02!sn-xit-03!sn-xit-01!sn-xit-08!supernews.com!priapus.visi.com!hermes.visi.com!news-out.visi.com!petbe.visi.com!in.100proofnews.com!in.100proofnews.com!news.primus.ca!news.primus.ca!chi1.webusenet.com!sjc70.webusenet.com!news.webusenet.com!maily.cic.tsinghua.edu.cn!news.happynet.org!PKU From: seeuseeme@bbs.pku.edu.cn (�Ļ���) Newsgroups: cn.bbs.comp.database Subject: CSDN_ORACLE����ɵ�φ��}1000��(֮һ(ת��) Date: 06 Aug 2003 02:54:45 GMT Organization: ����δ��վ Message-ID: <47Y1QL$Z43@bbs.pku.edu.cn> Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: 8bit X-Filename: Database/M.1060138485.A Lines: 402