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Article #9478

CSDN_ORACLE����ɵ�φ��}1000��(֮һ(ת��)

#9478
From: ����
Date: Wed, 06 Aug 2003 02:54
402 lines
10375 bytes
�� ��������ת���� Database ������ ��
                        ORACLE����ɵ�φ��}1000��(֮һ)

 

 ����:  CCBZZP

 

        ����ڑ���ORACLE�ĕr����ܕ������ܶ࿴���?�y�Ć��}, �؄e�����ց��f, �����Һ��ΰ���Yһ��, �l���o���, ϣ�����Ў���! �ʹ��һ��̽ӑ, ��ͬ�M��!

        ��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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From: seeuseeme@bbs.pku.edu.cn (����)
Newsgroups: cn.bbs.comp.database
Subject: CSDN_ORACLE����ɵ�φ��}1000��(֮һ(ת��)
Date: 06 Aug 2003 02:54:45 GMT
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