oracle里常用命令 - 大力在线

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oracle里常用命令

作者：大力在线　发布时间：2008-01-15　来源：大力在线　点击：40

  第一章：日志管理
  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;

  第二章：表空间管理
  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] [extent_management_clause]

  2.locally managed tablespace
  sql> create tablespace user_data datafile 'c:\oracle\oradata\user_data01.dbf'
  sql> size 500m extent management local uniform size 10m;

  3.temporary tablespace
  sql> create temporary tablespace temp tempfile 'c:\oracle\oradata\temp01.dbf'
  sql> size 500m extent management local uniform size 10m;

  4.change the storage setting
  sql> alter tablespace app_data minimum extent 2m;
  sql> alter tablespace app_data default storage(initial 2m next 2m maxextents 999);

  5.taking tablespace offline or online
  sql> alter tablespace app_data offline;
  sql> alter tablespace app_data online;

  6.read_only tablespace
  sql> alter tablespace app_data read only|write;

  7.droping tablespace
  sql> drop tablespace app_data including contents;

  8.enableing automatic extension of data files
  sql> alter tablespace app_data add datafile 'c:\oracle\oradata\app_data01.dbf' size 200m
  sql> autoextend on next 10m maxsize 500m;

  9.change the size fo data files manually
  sql> alter database datafile 'c:\oracle\oradata\app_data.dbf' resize 200m;

  10.Moving data files: alter tablespace
  sql> alter tablespace app_data rename datafile 'c:\oracle\oradata\app_data.dbf'
  sql> to 'c:\oracle\app_data.dbf';

  11.moving data files:alter database
  sql> alter database rename file 'c:\oracle\oradata\app_data.dbf'
  sql> to 'c:\oracle\app_data.dbf';

  第三章：表 XMH大力在线

  1.create a table

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整理：大力在线责任编辑：dalisky

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