當前位置：首頁 > 编程资源 > 编程问答 >内容正文

编程问答

oracle pdb 表空间,Oracle 12c CDB 和 PDB 表空间管理和配置说明

發布時間：2023/12/10 编程问答 33 豆豆

生活随笔收集整理的這篇文章主要介紹了 oracle pdb 表空间,Oracle 12c CDB 和 PDB 表空间管理和配置说明小編覺得挺不錯的,現在分享給大家,幫大家做個參考.

注：本文謝絕轉載。

1??管理CDB中的表空間

CDB表空間的管理和non-CDB 表空間的管理一樣，CDB 也有一個實例，在安裝的時候指定。

--查看表空間：

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

--切換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

--表空間具體操作示例

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

DAVE?????????????????????????????????? 16/u01/app/oracle/oradata/cndba/pcndba2/dave02.dbf

DAVE?????????????????????????????????? 15/u01/app/oracle/oradata/cndba/pcndba2/dave01.dbf

--drop表空間：

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的表空間

PDB 表空間的管理和CDB一樣，只需要切換到正確的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

DAVE??????????????????? 17/u01/app/oracle/oradata/cndba/pcndba2/dave01.dbf

DAVE??????????????????? 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 表空間

CDB中的undo 表空間只能從CDB中管理，不能從non-CDB中管理。

PDB 沒有自己的undo 表空間，PDB 中直接使用CDB中的undo 表空間。

如果連上PDB，是看不到undo 表空間的。

SQL> show con_name

CON_NAME

------------------------------

PCNDBA2

SQL> select tablespace_name fromdba_tablespaces;

TABLESPACE_NAME

---------------

SYSTEM

SYSAUX

TEMP

USERS

--切換到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表空間：

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 表空間

CDB 中的temporary 表空間只從在CDB中管理。

PDB 可以有自己的temporary表空間，也可以不用，在創建PDB的時候如果沒有指定temporary表空間，那么就會公用CDB的temporary 表空間。

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有兩種修改方法：

(1)??使用ALTER PLUGGABLE DATABASE命令

推薦使用這種方法，法語如下：

ALTER PLUGGABLE DATABASE DEFAULT TABLESPACEusers;

ALTER PLUGGABLE DATABASE DEFAULT TEMPORARYTABLESPACE temp;

(2)為了向后的兼容性，也可以使用ALTERDATABASE 命令修改：

ALTER DATABASE DEFAULT TABLESPACE users;

ALTER DATABASE DEFAULT TEMPORARY TABLESPACEtemp;

注意：

不管使用哪種方法，在修改之前，主要要保證container是正確的。

--------------------------------------------------------------------------------------------

AboutDave:

QQ:???? ?251097186

Dave 的QQ群：

--------------------------------------------------------------------------------------------

注意:加群必須注明表空間和數據文件關系 | 不要重復加群

CNDBA_1: 104207940 (滿)? ??CNDBA_2: 62697716 (滿)?? CNDBA_3: 283816689

CNDBA_4: 391125754?? CNDBA_5: 62697850??? CNDBA_6: 62697977?? CNDBA_7: 142216823(滿)

原文：http://blog.csdn.net/tianlesoftware/article/details/41820095

總結

以上是生活随笔為你收集整理的oracle pdb 表空间,Oracle 12c CDB 和 PDB 表空间管理和配置说明的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。

上一篇：开发工具：IDEA 2021.1 的 W
下一篇： openlayers集成echarts实

编程问答

oracle pdb 表空间,Oracle 12c CDB 和 PDB 表空间管理和配置 说明

總結

oracle pdb 表空间,Oracle 12c CDB 和 PDB 表空间管理和配置说明