日期:2014-05-16  浏览次数:20280 次

oracle tablespace 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';