Oracle 12c CDB 和 PDB 表空间管理和配置 说明
2014-12-09 09:53
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注:本文谢绝转载。
--查看表空间:
SQL> select instance_name fromv$instance;
INSTANCE_NAME
----------------
Cndba
SQL> col file_name for a50
SQL> selecttablespace_name,file_id,file_name from dba_data_files;
TABLESPACE_NAME FILE_ID FILE_NAME
------------------------------ ------------------------------------------------------------
USERS 6 /u01/app/oracle/oradata/cndba/users01.dbf
UNDOTBS1 4/u01/app/oracle/oradata/cndba/undotbs01.dbf
SYSAUX 3/u01/app/oracle/oradata/cndba/sysaux01.dbf
SYSTEM 1 /u01/app/oracle/oradata/cndba/system01.dbf
--切换container:
SQL> set lin 140
SQL> select con_id, dbid, guid, name ,open_mode from v$pdbs;
CON_ID DBID GUID NAME OPEN_MODE
---------- ------------------------------------------ ------------ ----------
2 4088301206 F7C1E3C96BBF0585E0430A01A8C05459 PDB$SEED READ ONLY
3 426143573F7C209EB1DFC0854E0430A01A8C0B787 PDBCNDBA READ WRITE
4 1231796139 F812DE1B6A8F363AE0430A01A8C0C759 PCNDBA2 READ WRITE
SQL> alter session setcontainer=pcndba2;
Session altered.
SQL> selecttablespace_name,file_id,file_name from dba_data_files;
TABLESPACE_NAME FILE_ID FILE_NAME
----------------- ------------------------------------------------------------
SYSTEM 12/u01/app/oracle/oradata/cndba/pcndba2/system01.dbf
SYSAUX 13/u01/app/oracle/oradata/cndba/pcndba2/sysaux01.dbf
USERS 14/u01/app/oracle/oradata/cndba/pcndba2/pcndba2_users01.dbf
--表空间具体操作示例
SQL> alter session setcontainer=CDB$ROOT;
Session altered.
SQL> show con_name
CON_NAME
------------------------------
CDB$ROOT
SQL> CREATE TABLESPACE dave
2 DATAFILE'/u01/app/oracle/oradata/cndba/pcndba2/dave01.dbf' SIZE 1M
3 AUTOEXTEND ON NEXT 1M;
Tablespace created.
SQL> ALTER TABLESPACE dave ADD
2 DATAFILE'/u01/app/oracle/oradata/cndba/pcndba2/dave02.dbf' SIZE 1M
3 AUTOEXTEND ON NEXT 1M;
Tablespace altered.
--查看:
SQL> selecttablespace_name,file_id,file_name from dba_data_files;
TABLESPACE_NAME FILE_ID FILE_NAME
------------------------------ ------------------------------------------------------------
SYSTEM 1/u01/app/oracle/oradata/cndba/system01.dbf
SYSAUX 3/u01/app/oracle/oradata/cndba/sysaux01.dbf
UNDOTBS1 4/u01/app/oracle/oradata/cndba/undotbs01.dbf
USERS 6/u01/app/oracle/oradata/cndba/users01.dbf
D***E 16/u01/app/oracle/oradata/cndba/pcndba2/dave02.dbf
D***E 15/u01/app/oracle/oradata/cndba/pcndba2/dave01.dbf
--drop 表空间:
SQL> drop tablespace dave includingcontents and datafiles;
Tablespace dropped.
SQL> selecttablespace_name,file_id,file_name from dba_data_files;
TABLESPACE_NAME FILE_ID FILE_NAME
------------------------------ ------------------------------------------------------------
SYSTEM 1/u01/app/oracle/oradata/cndba/system01.dbf
SYSAUX 3/u01/app/oracle/oradata/cndba/sysaux01.dbf
UNDOTBS1 4/u01/app/oracle/oradata/cndba/undotbs01.dbf
USERS 6/u01/app/oracle/oradata/cndba/users01.dbf
SQL> select name,open_mode from v$pdbs;
NAME OPEN_MODE
------------------------------ ----------
PDB$SEED READ ONLY
PDBCNDBA READ WRITE
PCNDBA2 READ WRITE
SQL> show con_name
CON_NAME
------------------------------
CDB$ROOT
SQL> alter session setcontainer=pcndba2;
Session altered.
SQL> show con_name
CON_NAME
------------------------------
PCNDBA2
SQL> col tablespace_name for a15
SQL> col file_name for a60
SQL> selecttablespace_name,file_id,file_name from dba_data_files;
TABLESPACE_NAME FILE_ID FILE_NAME
--------------- ----------------------------------------------------------------------
SYSTEM 12/u01/app/oracle/oradata/cndba/pcndba2/system01.dbf
SYSAUX 13 /u01/app/oracle/oradata/cndba/pcndba2/sysaux01.dbf
USERS 14/u01/app/oracle/oradata/cndba/pcndba2/pcndba2_users01.dbf
SQL> CREATE TABLESPACE dave
2 DATAFILE'/u01/app/oracle/oradata/cndba/pcndba2/dave01.dbf' SIZE 1M
3 AUTOEXTEND ON NEXT 1M;
Tablespace created.
SQL> ALTER TABLESPACE dave ADD
2 DATAFILE'/u01/app/oracle/oradata/cndba/pcndba2/dave02.dbf' SIZE 1M
3 AUTOEXTEND ON NEXT 1M;
Tablespace altered.
SQL> selecttablespace_name,file_id,file_name from dba_data_files;
TABLESPACE_NAME FILE_ID FILE_NAME
--------------- ----------------------------------------------------------------------
SYSAUX 13/u01/app/oracle/oradata/cndba/pcndba2/sysaux01.dbf
SYSTEM 12 /u01/app/oracle/oradata/cndba/pcndba2/system01.dbf
USERS 14/u01/app/oracle/oradata/cndba/pcndba2/pcndba2_users01.dbf
D***E 17/u01/app/oracle/oradata/cndba/pcndba2/dave01.dbf
D***E 18/u01/app/oracle/oradata/cndba/pcndba2/dave02.dbf
SQL> DROP TABLESPACE dave INCLUDINGCONTENTS AND DATAFILES;
Tablespace dropped.
SQL> selecttablespace_name,file_id,file_name from dba_data_files;
TABLESPACE_NAME FILE_ID FILE_NAME
--------------- ----------------------------------------------------------------------
SYSTEM 12/u01/app/oracle/oradata/cndba/pcndba2/system01.dbf
SYSAUX 13/u01/app/oracle/oradata/cndba/pcndba2/sysaux01.dbf
USERS 14/u01/app/oracle/oradata/cndba/pcndba2/pcndba2_users01.dbf
PDB 没有自己的undo 表空间,PDB 中直接使用CDB中的undo 表空间。
如果连上PDB,是看不到undo 表空间的。
SQL> show con_name
CON_NAME
------------------------------
PCNDBA2
SQL> select tablespace_name fromdba_tablespaces;
TABLESPACE_NAME
---------------
SYSTEM
SYSAUX
TEMP
USERS
--切换到CDB中:
SQL> alter session setcontainer=CDB$ROOT;
Session altered.
SQL> show con_name
CON_NAME
------------------------------
CDB$ROOT
SQL> select tablespace_name fromdba_tablespaces;
TABLESPACE_NAME
---------------
SYSTEM
SYSAUX
UNDOTBS1
TEMP
USERS
SQL> select name from v$datafile;
NAME
----------------------------------------------------------------------
/u01/app/oracle/oradata/cndba/system01.dbf
/u01/app/oracle/oradata/cndba/sysaux01.dbf
/u01/app/oracle/oradata/cndba/undotbs01.dbf
/u01/app/oracle/oradata/cndba/pdbseed/system01.dbf
/u01/app/oracle/oradata/cndba/users01.dbf
/u01/app/oracle/oradata/cndba/pdbseed/sysaux01.dbf
/u01/app/oracle/oradata/cndba/pdbcndba/system01.dbf
/u01/app/oracle/oradata/cndba/pdbcndba/sysaux01.dbf
/u01/app/oracle/oradata/cndba/pdbcndba/SAMPLE_SCHEMA_users01.dbf
/u01/app/oracle/oradata/cndba/pdbcndba/example01.dbf
/u01/app/oracle/oradata/cndba/pcndba2/system01.dbf
/u01/app/oracle/oradata/cndba/pcndba2/sysaux01.dbf
/u01/app/oracle/oradata/cndba/pcndba2/pcndba2_users01.dbf
13 rows selected.
--查看TEMP 表空间:
SQL> select name from v$tempfile;
NAME
----------------------------------------------------------------------
/u01/app/oracle/oradata/cndba/temp01.dbf
/u01/app/oracle/oradata/cndba/pdbseed/pdbseed_temp01.dbf
/u01/app/oracle/oradata/cndba/pdbcndba/pdbcndba_temp01.dbf
/u01/app/oracle/oradata/cndba/pcndba2/temp01.dbf
SQL>
PDB 可以有自己的temporary表空间,也可以不用,在创建PDB的时候如果没有指定temporary表空间,那么就会公用CDB的temporary 表空间。
SQL> select name from v$pdbs;
NAME
----------------------------------------------------------------------
PDB$SEED
PDBCNDBA
PCNDBA2
SQL> alter session set container=pcndba2;
Session altered.
SQL> show con_name
CON_NAME
------------------------------
PCNDBA2
SQL> select file_name fromdba_data_files;
FILE_NAME
------------------------------------------------------------
/u01/app/oracle/oradata/cndba/pcndba2/sysaux01.dbf
/u01/app/oracle/oradata/cndba/pcndba2/system01.dbf
/u01/app/oracle/oradata/cndba/pcndba2/pcndba2_users01.dbf
SQL> CREATE TEMPORARY TABLESPACE temp2
2 TEMPFILE'/u01/app/oracle/oradata/cndba/pcndba2/temp02.dbf' SIZE 5M
3 AUTOEXTEND ON NEXT 1M;
Tablespace created.
SQL> select name from v$tempfile;
NAME
----------------------------------------------------------------------
/u01/app/oracle/oradata/cndba/pcndba2/temp01.dbf
/u01/app/oracle/oradata/cndba/pcndba2/temp02.dbf
SQL> drop tablespace temp2 includingcontents and datafiles;
Tablespace dropped.
SQL> select name from v$tempfile;
NAME
----------------------------------------------------------------------
/u01/app/oracle/oradata/cndba/pcndba2/temp01.dbf
PDB 的中defaulttablespace 和 default temporary tablespace有两种修改方法:
(1) 使用ALTER PLUGGABLE DATABASE命令
推荐使用这种方法,法语如下:
CONN pdb@pdb1
ALTER PLUGGABLE DATABASE DEFAULT TABLESPACEusers;
ALTER PLUGGABLE DATABASE DEFAULT TEMPORARYTABLESPACE temp;
(2)为了向后的兼容性,也可以使用ALTERDATABASE 命令修改:
CONN pdb@pdb1
ALTER DATABASE DEFAULT TABLESPACE users;
ALTER DATABASE DEFAULT TEMPORARY TABLESPACEtemp;
注意:
不管使用哪种方法,在修改之前,主要要保证container是正确的。
--------------------------------------------------------------------------------------------版权所有,文章禁止转载,否则追究法律责任!
AboutDave:
--------------------------------------------------------------------------------------------QQ: 251097186Email: tianlesoftware@gmail.comBlog: http://blog.csdn.net/tianlesoftwareWeibo: http://weibo.com/tianlesoftwareTwitter: http://twitter.com/tianlesoftwareFacebook: http://www.facebook.com/tianlesoftwareLinkedin: http://cn.linkedin.com/in/tianlesoftware Dave 的QQ群: --------------------------------------------------------------------------------------------注意:加群必须注明表空间和数据文件关系 | 不要重复加群
CNDBA_1: 104207940 (满) CNDBA_2: 62697716 (满) CNDBA_3: 283816689
CNDBA_4: 391125754 CNDBA_5: 62697850 CNDBA_6: 62697977 CNDBA_7: 142216823(满)
1 管理CDB中的表空间
CDB表空间的管理和non-CDB 表空间的管理一样,CDB 也有一个实例,在安装的时候指定。--查看表空间:
SQL> select instance_name fromv$instance;
INSTANCE_NAME
----------------
Cndba
SQL> col file_name for a50
SQL> selecttablespace_name,file_id,file_name from dba_data_files;
TABLESPACE_NAME FILE_ID FILE_NAME
------------------------------ ------------------------------------------------------------
USERS 6 /u01/app/oracle/oradata/cndba/users01.dbf
UNDOTBS1 4/u01/app/oracle/oradata/cndba/undotbs01.dbf
SYSAUX 3/u01/app/oracle/oradata/cndba/sysaux01.dbf
SYSTEM 1 /u01/app/oracle/oradata/cndba/system01.dbf
--切换container:
SQL> set lin 140
SQL> select con_id, dbid, guid, name ,open_mode from v$pdbs;
CON_ID DBID GUID NAME OPEN_MODE
---------- ------------------------------------------ ------------ ----------
2 4088301206 F7C1E3C96BBF0585E0430A01A8C05459 PDB$SEED READ ONLY
3 426143573F7C209EB1DFC0854E0430A01A8C0B787 PDBCNDBA READ WRITE
4 1231796139 F812DE1B6A8F363AE0430A01A8C0C759 PCNDBA2 READ WRITE
SQL> alter session setcontainer=pcndba2;
Session altered.
SQL> selecttablespace_name,file_id,file_name from dba_data_files;
TABLESPACE_NAME FILE_ID FILE_NAME
----------------- ------------------------------------------------------------
SYSTEM 12/u01/app/oracle/oradata/cndba/pcndba2/system01.dbf
SYSAUX 13/u01/app/oracle/oradata/cndba/pcndba2/sysaux01.dbf
USERS 14/u01/app/oracle/oradata/cndba/pcndba2/pcndba2_users01.dbf
--表空间具体操作示例
SQL> alter session setcontainer=CDB$ROOT;
Session altered.
SQL> show con_name
CON_NAME
------------------------------
CDB$ROOT
SQL> CREATE TABLESPACE dave
2 DATAFILE'/u01/app/oracle/oradata/cndba/pcndba2/dave01.dbf' SIZE 1M
3 AUTOEXTEND ON NEXT 1M;
Tablespace created.
SQL> ALTER TABLESPACE dave ADD
2 DATAFILE'/u01/app/oracle/oradata/cndba/pcndba2/dave02.dbf' SIZE 1M
3 AUTOEXTEND ON NEXT 1M;
Tablespace altered.
--查看:
SQL> selecttablespace_name,file_id,file_name from dba_data_files;
TABLESPACE_NAME FILE_ID FILE_NAME
------------------------------ ------------------------------------------------------------
SYSTEM 1/u01/app/oracle/oradata/cndba/system01.dbf
SYSAUX 3/u01/app/oracle/oradata/cndba/sysaux01.dbf
UNDOTBS1 4/u01/app/oracle/oradata/cndba/undotbs01.dbf
USERS 6/u01/app/oracle/oradata/cndba/users01.dbf
D***E 16/u01/app/oracle/oradata/cndba/pcndba2/dave02.dbf
D***E 15/u01/app/oracle/oradata/cndba/pcndba2/dave01.dbf
--drop 表空间:
SQL> drop tablespace dave includingcontents and datafiles;
Tablespace dropped.
SQL> selecttablespace_name,file_id,file_name from dba_data_files;
TABLESPACE_NAME FILE_ID FILE_NAME
------------------------------ ------------------------------------------------------------
SYSTEM 1/u01/app/oracle/oradata/cndba/system01.dbf
SYSAUX 3/u01/app/oracle/oradata/cndba/sysaux01.dbf
UNDOTBS1 4/u01/app/oracle/oradata/cndba/undotbs01.dbf
USERS 6/u01/app/oracle/oradata/cndba/users01.dbf
2 管理PDB的表空间
PDB 表空间的管理和CDB一样,只需要切换到正确的container即可。SQL> select name,open_mode from v$pdbs;
NAME OPEN_MODE
------------------------------ ----------
PDB$SEED READ ONLY
PDBCNDBA READ WRITE
PCNDBA2 READ WRITE
SQL> show con_name
CON_NAME
------------------------------
CDB$ROOT
SQL> alter session setcontainer=pcndba2;
Session altered.
SQL> show con_name
CON_NAME
------------------------------
PCNDBA2
SQL> col tablespace_name for a15
SQL> col file_name for a60
SQL> selecttablespace_name,file_id,file_name from dba_data_files;
TABLESPACE_NAME FILE_ID FILE_NAME
--------------- ----------------------------------------------------------------------
SYSTEM 12/u01/app/oracle/oradata/cndba/pcndba2/system01.dbf
SYSAUX 13 /u01/app/oracle/oradata/cndba/pcndba2/sysaux01.dbf
USERS 14/u01/app/oracle/oradata/cndba/pcndba2/pcndba2_users01.dbf
SQL> CREATE TABLESPACE dave
2 DATAFILE'/u01/app/oracle/oradata/cndba/pcndba2/dave01.dbf' SIZE 1M
3 AUTOEXTEND ON NEXT 1M;
Tablespace created.
SQL> ALTER TABLESPACE dave ADD
2 DATAFILE'/u01/app/oracle/oradata/cndba/pcndba2/dave02.dbf' SIZE 1M
3 AUTOEXTEND ON NEXT 1M;
Tablespace altered.
SQL> selecttablespace_name,file_id,file_name from dba_data_files;
TABLESPACE_NAME FILE_ID FILE_NAME
--------------- ----------------------------------------------------------------------
SYSAUX 13/u01/app/oracle/oradata/cndba/pcndba2/sysaux01.dbf
SYSTEM 12 /u01/app/oracle/oradata/cndba/pcndba2/system01.dbf
USERS 14/u01/app/oracle/oradata/cndba/pcndba2/pcndba2_users01.dbf
D***E 17/u01/app/oracle/oradata/cndba/pcndba2/dave01.dbf
D***E 18/u01/app/oracle/oradata/cndba/pcndba2/dave02.dbf
SQL> DROP TABLESPACE dave INCLUDINGCONTENTS AND DATAFILES;
Tablespace dropped.
SQL> selecttablespace_name,file_id,file_name from dba_data_files;
TABLESPACE_NAME FILE_ID FILE_NAME
--------------- ----------------------------------------------------------------------
SYSTEM 12/u01/app/oracle/oradata/cndba/pcndba2/system01.dbf
SYSAUX 13/u01/app/oracle/oradata/cndba/pcndba2/sysaux01.dbf
USERS 14/u01/app/oracle/oradata/cndba/pcndba2/pcndba2_users01.dbf
3 Undo 表空间
CDB中的undo 表空间只能从CDB中管理,不能从non-CDB中管理。PDB 没有自己的undo 表空间,PDB 中直接使用CDB中的undo 表空间。
如果连上PDB,是看不到undo 表空间的。
SQL> show con_name
CON_NAME
------------------------------
PCNDBA2
SQL> select tablespace_name fromdba_tablespaces;
TABLESPACE_NAME
---------------
SYSTEM
SYSAUX
TEMP
USERS
--切换到CDB中:
SQL> alter session setcontainer=CDB$ROOT;
Session altered.
SQL> show con_name
CON_NAME
------------------------------
CDB$ROOT
SQL> select tablespace_name fromdba_tablespaces;
TABLESPACE_NAME
---------------
SYSTEM
SYSAUX
UNDOTBS1
TEMP
USERS
SQL> select name from v$datafile;
NAME
----------------------------------------------------------------------
/u01/app/oracle/oradata/cndba/system01.dbf
/u01/app/oracle/oradata/cndba/sysaux01.dbf
/u01/app/oracle/oradata/cndba/undotbs01.dbf
/u01/app/oracle/oradata/cndba/pdbseed/system01.dbf
/u01/app/oracle/oradata/cndba/users01.dbf
/u01/app/oracle/oradata/cndba/pdbseed/sysaux01.dbf
/u01/app/oracle/oradata/cndba/pdbcndba/system01.dbf
/u01/app/oracle/oradata/cndba/pdbcndba/sysaux01.dbf
/u01/app/oracle/oradata/cndba/pdbcndba/SAMPLE_SCHEMA_users01.dbf
/u01/app/oracle/oradata/cndba/pdbcndba/example01.dbf
/u01/app/oracle/oradata/cndba/pcndba2/system01.dbf
/u01/app/oracle/oradata/cndba/pcndba2/sysaux01.dbf
/u01/app/oracle/oradata/cndba/pcndba2/pcndba2_users01.dbf
13 rows selected.
--查看TEMP 表空间:
SQL> select name from v$tempfile;
NAME
----------------------------------------------------------------------
/u01/app/oracle/oradata/cndba/temp01.dbf
/u01/app/oracle/oradata/cndba/pdbseed/pdbseed_temp01.dbf
/u01/app/oracle/oradata/cndba/pdbcndba/pdbcndba_temp01.dbf
/u01/app/oracle/oradata/cndba/pcndba2/temp01.dbf
SQL>
4 Temporary 表空间
CDB 中的temporary 表空间只从在CDB中管理。PDB 可以有自己的temporary表空间,也可以不用,在创建PDB的时候如果没有指定temporary表空间,那么就会公用CDB的temporary 表空间。
SQL> select name from v$pdbs;
NAME
----------------------------------------------------------------------
PDB$SEED
PDBCNDBA
PCNDBA2
SQL> alter session set container=pcndba2;
Session altered.
SQL> show con_name
CON_NAME
------------------------------
PCNDBA2
SQL> select file_name fromdba_data_files;
FILE_NAME
------------------------------------------------------------
/u01/app/oracle/oradata/cndba/pcndba2/sysaux01.dbf
/u01/app/oracle/oradata/cndba/pcndba2/system01.dbf
/u01/app/oracle/oradata/cndba/pcndba2/pcndba2_users01.dbf
SQL> CREATE TEMPORARY TABLESPACE temp2
2 TEMPFILE'/u01/app/oracle/oradata/cndba/pcndba2/temp02.dbf' SIZE 5M
3 AUTOEXTEND ON NEXT 1M;
Tablespace created.
SQL> select name from v$tempfile;
NAME
----------------------------------------------------------------------
/u01/app/oracle/oradata/cndba/pcndba2/temp01.dbf
/u01/app/oracle/oradata/cndba/pcndba2/temp02.dbf
SQL> drop tablespace temp2 includingcontents and datafiles;
Tablespace dropped.
SQL> select name from v$tempfile;
NAME
----------------------------------------------------------------------
/u01/app/oracle/oradata/cndba/pcndba2/temp01.dbf
5 Default Tablespaces
CDB 中的defaulttablespace 和 default temporary tablespace 只能在CDB中操作。PDB 的中defaulttablespace 和 default temporary tablespace有两种修改方法:
(1) 使用ALTER PLUGGABLE DATABASE命令
推荐使用这种方法,法语如下:
CONN pdb@pdb1
ALTER PLUGGABLE DATABASE DEFAULT TABLESPACEusers;
ALTER PLUGGABLE DATABASE DEFAULT TEMPORARYTABLESPACE temp;
(2)为了向后的兼容性,也可以使用ALTERDATABASE 命令修改:
CONN pdb@pdb1
ALTER DATABASE DEFAULT TABLESPACE users;
ALTER DATABASE DEFAULT TEMPORARY TABLESPACEtemp;
注意:
不管使用哪种方法,在修改之前,主要要保证container是正确的。
--------------------------------------------------------------------------------------------版权所有,文章禁止转载,否则追究法律责任!
AboutDave:
--------------------------------------------------------------------------------------------QQ: 251097186Email: tianlesoftware@gmail.comBlog: http://blog.csdn.net/tianlesoftwareWeibo: http://weibo.com/tianlesoftwareTwitter: http://twitter.com/tianlesoftwareFacebook: http://www.facebook.com/tianlesoftwareLinkedin: http://cn.linkedin.com/in/tianlesoftware Dave 的QQ群: --------------------------------------------------------------------------------------------注意:加群必须注明表空间和数据文件关系 | 不要重复加群
CNDBA_1: 104207940 (满) CNDBA_2: 62697716 (满) CNDBA_3: 283816689
CNDBA_4: 391125754 CNDBA_5: 62697850 CNDBA_6: 62697977 CNDBA_7: 142216823(满)
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