Oracle11gR2导入导出实战之表空间传输

Oracle11gR2导入导出实战之使用Datapump进行表空间传输

表空间检查

[oracle@localhost database]$ ps -ef|grep smon
oracle    8981     1  0 11:52 ?        00:00:01 ora_smon_orcl
oracle   10794     1  0 16:24 ?        00:00:00 ora_smon_orcl2
oracle   10836 10391  0 16:25 pts/0    00:00:00 grep smon
[oracle@localhost database]$
[oracle@localhost database]$ export ORACLE_SID=orcl
[oracle@localhost database]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Tue Apr 3 16:28:57 2018

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> select file_name from dba_data_files;

FILE_NAME
--------------------------------------------------------------------------------
/home/oracle/app/oradata/orcl/users01.dbf
/home/oracle/app/oradata/orcl/undotbs01.dbf
/home/oracle/app/oradata/orcl/sysaux01.dbf
/home/oracle/app/oradata/orcl/system01.dbf

SQL> create tablespace test_new datafile '/home/oracle/app/oradata/orcl/test_new01.dbf' size 20m;

SQL> create user test_tts identified by oracle default tablespace test_new;

User created.

SQL> grant connect ,resource to test_tts;

Grant succeeded.

SQL> conn test_tts/oracle;
Connected.
SQL>
SQL> create table test_tts as select * from all_objects where rownum <5000;

Table created.

SQL> create table test_tts2 as select * from all_objects where rownum < 10000;

Table created.

SQL> create table test_tts3(id number ,name varchar2(30));

Table created.

SQL> alter table test_tts3 modify(id primary key);

Table altered.

SQL> insert into test_tts3 select object_id,object_name from all_objects where rownum <20;

19 rows created.

SQL> col table_name format a30;
SQL> select * from cat;

TABLE_NAME                     TABLE_TYPE
------------------------------ -----------
TEST_TTS                       TABLE
TEST_TTS2                      TABLE
TEST_TTS3                      TABLE

SQL> conn  / as sysdba
Connected.
SQL>
SQL> exec dbms_tts.transport_set_check('TEST_NEW',TRUE);

PL/SQL procedure successfully completed.

SQL> SELECT * FROM transport_set_violations;

no rows selected

设置exp客户端字符集,否则会导致字符集转换造成imp失败

[oracle@localhost ~]$ export NLS_LANG="SIMPLIFIED CHINESE_CHINA.ZHS16GBK"

exp出表空间字典表

[oracle@localhost ~]$  exp \'sys/oracle as sysdba\' file=test_new.dmp transport_tablespace= y tablespaces=test_new log=test_new_tts.log

Export: Release 11.2.0.4.0 - Production on  16:42:31 2018

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Export done in ZHS16GBK character set and AL16UTF16 NCHAR character set
Note: table data (rows) will not be exported
About to export transportable tablespace metadata...
For tablespace TEST_NEW ...
. exporting cluster definitions
. exporting table definitions
. . exporting table                       TEST_TTS
. . exporting table                      TEST_TTS2
. . exporting table                      TEST_TTS3
. exporting referential integrity constraints
. exporting triggers
. end transportable tablespace metadata export
Export terminated successfully without warnings.

拷贝表空间文件

[oracle@localhost ~]$ export ORACLE_SID=orcl2

SQL> select file_name from dba_data_files;

FILE_NAME
--------------------------------------------------------------------------------
/home/oracle/app/oradata/orcl2/users01.dbf
/home/oracle/app/oradata/orcl2/undotbs01.dbf
/home/oracle/app/oradata/orcl2/sysaux01.dbf
/home/oracle/app/oradata/orcl2/system01.dbf

[oracle@localhost ~]$ cp /home/oracle/app/oradata/orcl/test_new01.dbf /home/oracle/app/oradata/orcl2/

imp导入表空间

[oracle@localhost ~]$export ORACLE_SID=orcl2

SQL> select instance_name from v$instance;

INSTANCE_NAME
----------------
orcl2

SQL> create user test_tts identified by oracle;

User created.

SQL> grant connect ,resource to test_tts;

Grant succeeded.

SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@localhost ~]$ imp \'sys/oracle as sysdba\' file=test_new.dmp transport_tablespace=y tablespaces=test_new datafiles=/home/oracle/app/oradata/orcl2/test_new01.dbf

Import: Release 11.2.0.4.0 - Production on  17:07:11 2018

Copyright (c) 1982, 2011, Oracle and/or its affiliates.  All rights reserved.

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

Export file created by EXPORT:V11.02.00 via conventional path
About to import transportable tablespace(s) metadata...
import done in ZHS16GBK character set and AL16UTF16 NCHAR character set
. importing SYS's objects into SYS
. importing SYS's objects into SYS
. importing TEST_TTS's objects into TEST_TTS
. . importing table                     "TEST_TTS"
. . importing table                    "TEST_TTS2"
. . importing table                    "TEST_TTS3"
. importing SYS's objects into SYS
Import terminated successfully without warnings.

验证数据

SQL> conn test_tts/oracle
Connected.
SQL> select * from cat;

TABLE_NAME                     TABLE_TYPE
------------------------------ -----------
TEST_TTS                       TABLE
TEST_TTS2                      TABLE
TEST_TTS3                      TABLE

SQL> select count(*) from TEST_TTS3;

  COUNT(*)
----------
		19

SQL> conn / as sysdba
Connected.
SQL> SELECT  tablespace_name,status from dba_tablespaces;

TABLESPACE_NAME                STATUS
------------------------------ ---------
SYSTEM                         ONLINE
SYSAUX                         ONLINE
UNDOTBS1                       ONLINE
TEMP                           ONLINE
USERS                          ONLINE
TEST_NEW                       READ ONLY

6 rows selected.

SQL> alter tablespace TEST_NEW read write;

Tablespace altered.