数据泵是在数据库中以段为单位移动数据的一种手段，是一种数据迁移的工具。它是以备PLSQL的形式，查询出备份结果后进行备份的，因此无法使用归档日志对备份的数据进行前滚操作的。
首先我们先创建备份时存放临时数据的目录
SYS@ orcl>!mkdir /home/oracle/bak创建逻辑目录（物理目录的别名）
SYS@ orcl>create or replace directory expbak as '/home/oracle/bak';
Directory created.
Elapsed: 00:00:00.03查看逻辑目录
SYS@ orcl>select * from dba_directories;
OWNER DIRECTORY_NAME DIRECTORY_PATH
-------- ---------------------- ----------------------------------------------------------------------
SYS ORACLE_OCM_CONFIG_DIR /u01/app/oracle/product/11.2.0/db_1/ccr/state
SYS DATA_PUMP_DIR /u01/app/oracle/admin/orcl/dpdump/
SYS MEDIA_DIR /u01/app/oracle/product/11.2.0/db_1/demo/schema/product_media/
SYS XMLDIR /ade/b/2125410156/oracle/rdbms/xml
SYS DATA_FILE_DIR /u01/app/oracle/product/11.2.0/db_1/demo/schema/sales_history/
SYS LOG_FILE_DIR /u01/app/oracle/product/11.2.0/db_1/demo/schema/log/
SYS SS_OE_XMLDIR /u01/app/oracle/product/11.2.0/db_1/demo/schema/order_entry/
SYS SUBDIR /u01/app/oracle/product/11.2.0/db_1/demo/schema/order_entry//2002/Sep
SYS EXPBAK /home/oracle/bak
9 rows selected.
Elapsed: 00:00:00.01授予SCOTT用户读写逻辑目录的权限
SYS@ orcl>grant read,write on directory expbak to scott;
Grant succeeded.
Elapsed: 00:00:00.02数据泵导出
创建测试表
SCOTT@ orcl>create table test as select * from all_objects;
Table created.
Elapsed: 00:00:02.07为了方便备份，在物理路径下创建数据泵文件，这里我们只导出对象定义（表结构）
[oracle@RHEL6 bak]$ vi expbak.txt
userid=scott/scott
directory=expbak
dumpfile=exp_test.dmp
logfile=exp_test.log
job_name=exp_test
tables=test
content=metadata_only执行脚本
sqlplus / as sysdba
SYS@ orcl>execute sys.dbms_metadata_util.load_stylesheets;
PL/SQL procedure successfully completed.
Elapsed: 00:00:02.42执行数据泵
[oracle@RHEL6 bak]$ expdp parfile=/home/oracle/bak/expbak.txt
Export: Release 11.2.0.1.0 - Production on Tue Jul 24 13:54:27 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Starting "SCOTT"."EXP_TEST": scott/******** parfile=/home/oracle/bak/expbak.txt
Processing object type TABLE_EXPORT/TABLE/TABLE
Master table "SCOTT"."EXP_TEST" successfully loaded/unloaded
******************************************************************************
Dump file set for SCOTT.EXP_TEST is:
/home/oracle/bak/exp_test.dmp
Job "SCOTT"."EXP_TEST" successfully completed at 13:54:33修改参数文件，导出数据
[oracle@RHEL6 bak]$ vi expbak.txt
userid=scott/scott
directory=expbak
dumpfile=exp_test_data.dmp
logfile=exp_test_data.log
job_name=exp_test
tables=test
content=data_only
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"expbak.txt" 7L, 137C written [oracle@RHEL6 bak]$ expdp parfile=/home/oracle/bak/expbak.txt
Export: Release 11.2.0.1.0 - Production on Tue Jul 24 14:02:58 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Starting "SCOTT"."EXP_TEST": scott/******** parfile=/home/oracle/bak/expbak.txt
Estimate in progress using BLOCKS method...
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 7 MB
. . exported "SCOTT"."TEST" 5.451 MB 55639 rows
Master table "SCOTT"."EXP_TEST" successfully loaded/unloaded
******************************************************************************
Dump file set for SCOTT.EXP_TEST is:
/home/oracle/bak/exp_test_data.dmp
Job "SCOTT"."EXP_TEST" successfully completed at 14:03:01
修改配置文件，导出所有数据
[oracle@RHEL6 bak]$ vi expbak.txt
userid=scott/scott
directory=expbak
dumpfile=exp_test_all.dmp
logfile=exp_test_all.log
job_name=exp_test
tables=test
content=all
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"expbak.txt" 7L, 129C written [oracle@RHEL6 bak]$ expdp parfile=/home/oracle/bak/expbak.txt
Export: Release 11.2.0.1.0 - Production on Tue Jul 24 14:04:54 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Starting "SCOTT"."EXP_TEST": scott/******** parfile=/home/oracle/bak/expbak.txt
Estimate in progress using BLOCKS method...
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 7 MB
Processing object type TABLE_EXPORT/TABLE/TABLE
. . exported "SCOTT"."TEST" 5.451 MB 55639 rows
Master table "SCOTT"."EXP_TEST" successfully loaded/unloaded
******************************************************************************
Dump file set for SCOTT.EXP_TEST is:
/home/oracle/bak/exp_test_all.dmp
Job "SCOTT"."EXP_TEST" successfully completed at 14:05:00[oracle@RHEL6 bak]$ ll -tr
total 11440
-rw-r-----. 1 oracle asmadmin 94208 Jul 24 13:54 exp_test.dmp
-rw-r--r--. 1 oracle asmadmin 753 Jul 24 13:54 exp_test.log
-rw-r-----. 1 oracle asmadmin 5791744 Jul 24 14:03 exp_test_data.dmp
-rw-r--r--. 1 oracle asmadmin 929 Jul 24 14:03 exp_test_data.log
-rw-r--r--. 1 oracle oinstall 129 Jul 24 14:04 expbak.txt
-rw-r-----. 1 oracle asmadmin 5812224 Jul 24 14:05 exp_test_all.dmp
-rw-r--r--. 1 oracle asmadmin 976 Jul 24 14:05 exp_test_all.log我们也可以一次备份多张表
[oracle@RHEL6 bak]$ vi expbak.txt
userid=scott/scott
directory=expbak
dumpfile=exp_test_1.dmp
logfile=exp_test_1.log
job_name=exp_1
tables=emp,dept
query=dept:"where deptno<>40",emp:"where deptno=30"
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"expbak.txt" 7L, 126C written 由于默认情况下，备份全量数据，因此我们取消content=all参数
[oracle@RHEL6 bak]$ expdp parfile=/home/oracle/bak/expbak.txt
Export: Release 11.2.0.1.0 - Production on Tue Jul 24 15:53:15 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Starting "SCOTT"."EXP_1": scott/******** parfile=/home/oracle/bak/expbak.txt
Estimate in progress using BLOCKS method...
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 128 KB
Processing object type TABLE_EXPORT/TABLE/TABLE
Processing object type TABLE_EXPORT/TABLE/GRANT/OWNER_GRANT/OBJECT_GRANT
Processing object type TABLE_EXPORT/TABLE/INDEX/INDEX
Processing object type TABLE_EXPORT/TABLE/CONSTRAINT/CONSTRAINT
Processing object type TABLE_EXPORT/TABLE/CONSTRAINT/REF_CONSTRAINT
. . exported "SCOTT"."DEPT" 5.914 KB 3 rows
. . exported "SCOTT"."EMP" 8.257 KB 6 rows
Master table "SCOTT"."EXP_1" successfully loaded/unloaded
******************************************************************************
Dump file set for SCOTT.EXP_1 is:
/home/oracle/bak/exp_test_1.dmp
Job "SCOTT"."EXP_1" successfully completed at 15:53:24也可以备份用户模式
[oracle@RHEL6 bak]$ vi expbak.txt
userid=scott/scott
directory=expbak
dumpfile=exp_scott.dmp
logfile=exp_scott.log
job_name=exp_scott
schemas=scott
parallel=8
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"expbak.txt" 6L, 114C written 其中parallel=8启用并行模式，可以增加导出的速度
[oracle@RHEL6 bak]$ expdp parfile=/home/oracle/bak/expbak.txt
Export: Release 11.2.0.1.0 - Production on Tue Jul 24 15:58:07 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Starting "SCOTT"."EXP_SCOTT": scott/******** parfile=/home/oracle/bak/expbak.txt
Estimate in progress using BLOCKS method...
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 7.187 MB
Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA
Processing object type SCHEMA_EXPORT/TABLE/TABLE
Processing object type SCHEMA_EXPORT/TABLE/GRANT/OWNER_GRANT/OBJECT_GRANT
Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX
Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT
Processing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS
Processing object type SCHEMA_EXPORT/TABLE/COMMENT
Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/REF_CONSTRAINT
. . exported "SCOTT"."TEST" 5.451 MB 55639 rows
. . exported "SCOTT"."DEPT" 5.937 KB 4 rows
. . exported "SCOTT"."EMP" 8.570 KB 14 rows
. . exported "SCOTT"."SALGRADE" 5.867 KB 5 rows
. . exported "SCOTT"."BONUS" 0 KB 0 rows
Master table "SCOTT"."EXP_SCOTT" successfully loaded/unloaded
******************************************************************************
Dump file set for SCOTT.EXP_SCOTT is:
/home/oracle/bak/exp_scott.dmp
Job "SCOTT"."EXP_SCOTT" successfully completed at 15:58:37也可以导出整个表空间
[oracle@RHEL6 ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.1.0 Production on Tue Jul 24 16:09:04 2018
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
SYS@ orcl>查看数据库表空间情况、
SYS@ orcl>select name from v$tablespace;
NAME
------------------------------
SYSTEM
SYSAUX
UNDOTBS1
USERS
TEMP
EXAMPLE
6 rows selected.
Elapsed: 00:00:00.02SYS@ orcl>select owner,table_name from dba_tables where tablespace_name='USERS';
OWNER TABLE_NAME
------------------------------ ------------------------------
SCOTT DEPT
SCOTT EMP
SCOTT BONUS
SCOTT SALGRADE
SCOTT TEST
OE PRODUCT_REF_LIST_NESTEDTAB
OE SUBCATEGORY_REF_LIST_NESTEDTAB
SH DIMENSION_EXCEPTIONS
ORACLE EMP
ORACLE BONUS
ORACLE DEPT
ORACLE SALGRADE
ORACLE A_YD_TEMP
ORACLE A_LT_TEMP
ORACLE A_DX_TEMP
15 rows selected.
Elapsed: 00:00:00.05修改配置文件
[oracle@RHEL6 bak]$ vi expbak.txt
userid=system/sys
directory=expbak
dumpfile=exp_users.dmp
logfile=exp_users.log
job_name=exp_users
tablespaces=users
parallel=8
~
"expbak.txt" 7L, 128C written [oracle@RHEL6 bak]$ expdp parfile=/home/oracle/bak/expbak.txt
Export: Release 11.2.0.1.0 - Production on Tue Jul 24 16:18:48 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Starting "SYSTEM"."EXP_USERS": system/******** parfile=/home/oracle/bak/expbak.txt
Estimate in progress using BLOCKS method...
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 8.125 MB
. . exported "SCOTT"."TEST" 5.451 MB 55639 rows
. . exported "OE"."CATEGORIES_TAB" 14.15 KB 22 rows
. . exported "OE"."SUBCATEGORY_REF_LIST_NESTEDTAB" 6.585 KB 21 rows
Processing object type TABLE_EXPORT/TABLE/TABLE
. . exported "OE"."PRODUCT_REF_LIST_NESTEDTAB" 12.50 KB 288 rows
. . exported "ORACLE"."DEPT" 5.937 KB 4 rows
. . exported "ORACLE"."EMP" 8.578 KB 15 rows
. . exported "ORACLE"."SALGRADE" 5.867 KB 5 rows
. . exported "SCOTT"."DEPT" 5.937 KB 4 rows
. . exported "SCOTT"."EMP" 8.570 KB 14 rows
. . exported "SCOTT"."SALGRADE" 5.867 KB 5 rows
. . exported "ORACLE"."A_DX_TEMP" 0 KB 0 rows
. . exported "ORACLE"."A_LT_TEMP" 0 KB 0 rows
. . exported "ORACLE"."A_YD_TEMP" 0 KB 0 rows
. . exported "ORACLE"."BONUS" 0 KB 0 rows
. . exported "SCOTT"."BONUS" 0 KB 0 rows
. . exported "SH"."DIMENSION_EXCEPTIONS" 0 KB 0 rows
. . exported "OE"."PURCHASEORDER" 243.9 KB 132 rows
Processing object type TABLE_EXPORT/TABLE/GRANT/OWNER_GRANT/OBJECT_GRANT
Processing object type TABLE_EXPORT/TABLE/INDEX/INDEX
Processing object type TABLE_EXPORT/TABLE/CONSTRAINT/CONSTRAINT
Processing object type TABLE_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS
Processing object type TABLE_EXPORT/TABLE/CONSTRAINT/REF_CONSTRAINT
Master table "SYSTEM"."EXP_USERS" successfully loaded/unloaded
******************************************************************************
Dump file set for SYSTEM.EXP_USERS is:
/home/oracle/bak/exp_users.dmp
Job "SYSTEM"."EXP_USERS" successfully completed at 16:19:14我们对全库进行备份
[oracle@RHEL6 bak]$ vi expbak.txt
userid=system/sys
directory=expbak
dumpfile=exp_full.dmp
logfile=exp_full.log
job_name=exp_full
full=y
parallel=8
~
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~这里由于日志过长就不放上来了
下面我们看一下数据泵特有的功能：模糊匹配表名
[oracle@RHEL6 bak]$ vi expbak.txt
userid=scott/scott
directory=expbak
dumpfile=exp_table.dmp
logfile=exp_table.log
job_name=exp_table
include=table:"like 'E%'"
parallel=8
~
~
~[oracle@RHEL6 bak]$ expdp parfile=/home/oracle/bak/expbak.txt
Export: Release 11.2.0.1.0 - Production on Tue Jul 24 16:32:25 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Starting "SCOTT"."EXP_TABLE": scott/******** parfile=/home/oracle/bak/expbak.txt
Estimate in progress using BLOCKS method...
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 64 KB
. . exported "SCOTT"."EMP" 8.570 KB 14 rows
Processing object type SCHEMA_EXPORT/TABLE/TABLE
Processing object type SCHEMA_EXPORT/TABLE/GRANT/OWNER_GRANT/OBJECT_GRANT
Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX
Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT
Processing object type SCHEMA_EXPORT/TABLE/INDEX/STATISTICS/INDEX_STATISTICS
Processing object type SCHEMA_EXPORT/TABLE/COMMENT
Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/REF_CONSTRAINT
Master table "SCOTT"."EXP_TABLE" successfully loaded/unloaded
******************************************************************************
Dump file set for SCOTT.EXP_TABLE is:
/home/oracle/bak/exp_table.dmp
Job "SCOTT"."EXP_TABLE" successfully completed at 16:32:37数据泵导入
编写参数文件
[oracle@RHEL6 bak]$ vi impbak.txt
userid=scott/scott
directory=expbak
dumpfile=exp_test.dmp
logfile=imp_test.dmp
删除原先SCOTT用户下的表
[oracle@RHEL6 ~]$ sqlplus scott/scott
SQL*Plus: Release 11.2.0.1.0 Production on Tue Jul 24 16:42:08 2018
Copyright (c) 1982, 2009, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing optionsSCOTT@ orcl>drop table test purge;
Table dropped.
Elapsed: 00:00:00.06进行数据导入
[oracle@RHEL6 bak]$ impdp parfile=/home/oracle/bak/impbak.txt
Import: Release 11.2.0.1.0 - Production on Tue Jul 24 16:44:09 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Master table "SCOTT"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
Starting "SCOTT"."SYS_IMPORT_FULL_01": scott/******** parfile=/home/oracle/bak/impbak.txt
Processing object type TABLE_EXPORT/TABLE/TABLE
Job "SCOTT"."SYS_IMPORT_FULL_01" successfully completed at 16:44:12
查询表是否导入成功
SCOTT@ orcl>select * from tab;
TNAME TABTYPE CLUSTERID
------------------------------ ------- ----------
BONUS TABLE
DEPT TABLE
EMP TABLE
SALGRADE TABLE
TEST TABLE
Elapsed: 00:00:00.02SCOTT@ orcl>select * from test;
no rows selected
Elapsed: 00:00:00.00由于之前备份的是元数据（表结构），因此表里面的内容是空的
我们导入数据
[oracle@RHEL6 bak]$ vi impbak.txt
userid=scott/scott
directory=expbak
dumpfile=exp_test_data.dmp
logfile=imp_test_data.dmp
~
~
~[oracle@RHEL6 bak]$ impdp parfile=/home/oracle/bak/impbak.txt
Import: Release 11.2.0.1.0 - Production on Tue Jul 24 17:00:41 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Master table "SCOTT"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
Starting "SCOTT"."SYS_IMPORT_FULL_01": scott/******** parfile=/home/oracle/bak/impbak.txt
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
. . imported "SCOTT"."TEST" 5.451 MB 55639 rows
Job "SCOTT"."SYS_IMPORT_FULL_01" successfully completed at 17:00:45查看数据是否已经导入
SCOTT@ orcl>select count(1) from test;
COUNT(1)
----------
55639
Elapsed: 00:00:00.20修改参数文件，让导入可以追加数据
[oracle@RHEL6 bak]$ vi impbak.txt
userid=scott/scott
directory=expbak
dumpfile=exp_test_data.dmp
logfile=imp_test_data.dmp
table_exists_action=append
~
~再次导入，看看是否成功
[oracle@RHEL6 bak]$ impdp parfile=/home/oracle/bak/impbak.txt
Import: Release 11.2.0.1.0 - Production on Tue Jul 24 17:05:41 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Master table "SCOTT"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
Starting "SCOTT"."SYS_IMPORT_FULL_01": scott/******** parfile=/home/oracle/bak/impbak.txt
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
. . imported "SCOTT"."TEST" 5.451 MB 55639 rows
Job "SCOTT"."SYS_IMPORT_FULL_01" successfully completed at 17:05:45SCOTT@ orcl>select count(1) from test;
COUNT(1)
----------
111278
Elapsed: 00:00:00.17也可以将表导入后重新命名
[oracle@RHEL6 bak]$ vi impbak.txt
userid=scott/scott
directory=expbak
dumpfile=exp_test_all.dmp
logfile=imp_test_all.dmp
remap_table=test:test1
~
~[oracle@RHEL6 bak]$ impdp parfile=/home/oracle/bak/impbak.txt
Import: Release 11.2.0.1.0 - Production on Tue Jul 24 17:12:18 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Master table "SCOTT"."SYS_IMPORT_FULL_02" successfully loaded/unloaded
Starting "SCOTT"."SYS_IMPORT_FULL_02": scott/******** parfile=/home/oracle/bak/impbak.txt
Processing object type TABLE_EXPORT/TABLE/TABLE
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
. . imported "SCOTT"."TEST1" 5.451 MB 55639 rows
Job "SCOTT"."SYS_IMPORT_FULL_02" successfully completed at 17:12:22SCOTT@ orcl>select count(1) from test1;
COUNT(1)
----------
55639
Elapsed: 00:00:00.19在导入时也可以更改表空间信息
查看表及所在表空间信息
SCOTT@ orcl>select table_name,tablespace_name from tabs;
TABLE_NAME TABLESPACE_NAME
------------------------------ ------------------------------
TEST1 USERS
SYS_IMPORT_FULL_01 USERS
TEST USERS
SALGRADE USERS
BONUS USERS
EMP USERS
DEPT USERS
7 rows selected.
Elapsed: 00:00:00.09oracle@RHEL6 bak]$ vi impbak.txt
userid=scott/scott
directory=expbak
dumpfile=exp_test_all.dmp
logfile=imp_test_all.log
remap_tablespace=users:test
remap_table=test:test1查看表空间信息
SYS@ orcl>select name from v$tablespace;
NAME
------------------------------
SYSTEM
SYSAUX
UNDOTBS1
USERS
TEMP
EXAMPLE
6 rows selected.
Elapsed: 00:00:00.02创建新的表空间
SYS@ orcl>create tablespace test datafile '/home/oracle/test.dbf' size 10M;
Tablespace created.
Elapsed: 00:00:00.33SYS@ orcl>select name from v$tablespace;
NAME
------------------------------
SYSTEM
SYSAUX
UNDOTBS1
USERS
TEMP
EXAMPLE
TEST
7 rows selected.
Elapsed: 00:00:00.01导入数据
[oracle@RHEL6 bak]$ impdp parfile=/home/oracle/bak/impbak.txt
Import: Release 11.2.0.1.0 - Production on Tue Jul 24 18:19:12 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Master table "SCOTT"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
Starting "SCOTT"."SYS_IMPORT_FULL_01": scott/******** parfile=/home/oracle/bak/impbak.txt
Processing object type TABLE_EXPORT/TABLE/TABLE
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
. . imported "SCOTT"."TEST1" 5.451 MB 55639 rows
Job "SCOTT"."SYS_IMPORT_FULL_01" successfully completed at 18:19:16下面我们跨用户导入（需要使用管理员账号）
[oracle@RHEL6 bak]$ vi impbak.txt
userid=system/sys
directory=expbak
dumpfile=exp_test_all.dmp
logfile=imp_test_all.log
remap_table=test:test1
remap_schema=scott:oracle
~[oracle@RHEL6 bak]$ impdp parfile=/home/oracle/bak/impbak.txt
Import: Release 11.2.0.1.0 - Production on Tue Jul 24 18:25:46 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Master table "SYSTEM"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
Starting "SYSTEM"."SYS_IMPORT_FULL_01": system/******** parfile=/home/oracle/bak/impbak.txt
Processing object type TABLE_EXPORT/TABLE/TABLE
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
. . imported "ORACLE"."TEST1" 5.451 MB 55639 rows
Job "SYSTEM"."SYS_IMPORT_FULL_01" successfully completed at 18:25:49ORACLE@ orcl>select * from tab;
TNAME TABTYPE CLUSTERID
------------------------------ ------- ----------
A_DX_TEMP TABLE
A_LT_TEMP TABLE
A_YD_TEMP TABLE
BONUS TABLE
DEPT TABLE
EMP TABLE
SALGRADE TABLE
TEST TABLE
TEST1 TABLE
9 rows selected.
Elapsed: 00:00:00.01我们将用户导入数据库
ORACLE@ orcl>conn scott/scott
Connected.
SCOTT@ orcl>select * from tab;
TNAME TABTYPE CLUSTERID
------------------------------ ------- ----------
BIN$cbzuDG70J+rgUAB/AQAUug==$0 TABLE
BONUS TABLE
CLASSES TABLE
DEPT TABLE
EMP TABLE
SALGRADE TABLE
TEST TABLE
TEST1 TABLE
8 rows selected.
Elapsed: 00:00:00.01SCOTT@ orcl> conn / as sysdba
Connected.SYS@ orcl>drop user scott cascade;
User dropped.
Elapsed: 00:00:02.01SYS@ orcl>grant connect,resource to scott identified by tiger;
Grant succeeded.
Elapsed: 00:00:00.03SYS@ orcl>conn scott/tiger
Connected.
SCOTT@ orcl>select * from tab;
no rows selected
Elapsed: 00:00:00.02oracle@RHEL6 bak]$ vi impbak.txt
userid=system/sys
directory=expbak
dumpfile=exp_scott.dmp
logfile=imp_scott.log[oracle@RHEL6 bak]$ impdp parfile=/home/oracle/bak/impbak.txt
Import: Release 11.2.0.1.0 - Production on Tue Jul 24 18:33:36 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Master table "SYSTEM"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
Starting "SYSTEM"."SYS_IMPORT_FULL_01": system/******** parfile=/home/oracle/bak/impbak.txt
Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA
Processing object type SCHEMA_EXPORT/TABLE/TABLE
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
. . imported "SCOTT"."TEST" 5.451 MB 55639 rows
. . imported "SCOTT"."DEPT" 5.937 KB 4 rows
. . imported "SCOTT"."EMP" 8.570 KB 14 rows
. . imported "SCOTT"."SALGRADE" 5.867 KB 5 rows
. . imported "SCOTT"."BONUS" 0 KB 0 rows
Processing object type SCHEMA_EXPORT/TABLE/GRANT/OWNER_GRANT/OBJECT_GRANT
Processing object type SCHEMA_EXPORT/TABLE/INDEX/INDEX
Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/CONSTRAINT
Processing object type SCHEMA_EXPORT/TABLE/CONSTRAINT/REF_CONSTRAINT
Job "SYSTEM"."SYS_IMPORT_FULL_01" successfully completed at 18:33:41
SCOTT@ orcl>select * from tab;
TNAME TABTYPE CLUSTERID
------------------------------ ------- ----------
BONUS TABLE
DEPT TABLE
EMP TABLE
SALGRADE TABLE
TEST TABLE
Elapsed: 00:00:00.01表空间还原
我们先备份TEST表空间
[oracle@RHEL6 bak]$ vi expbak.txt
userid=scott/tiger
directory=expbak
dumpfile=exp_test.dmp
logfile=exp_test.log
job_name=exp_table
tablespaces=test
parallel=8SYS@ orcl>create table scott.e1 tablespace test as select * from scott.emp;
Table created.
Elapsed: 00:00:00.08SYS@ orcl>select owner,table_name from dba_tables where tablespace_name='TEST';
OWNER TABLE_NAME
------------------------------ ------------------------------
SCOTT E1
Elapsed: 00:00:00.06[oracle@RHEL6 bak]$expdp parfile=/home/oracle/bak/expbak.txt
Export: Release 11.2.0.1.0 - Production on Tue Jul 24 18:45:38 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Starting "SYSTEM"."EXP_TABLE": system/******** parfile=/home/oracle/bak/expbak.txt
Estimate in progress using BLOCKS method...
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 64 KB
. . exported "SCOTT"."E1" 8.562 KB 14 rows
Processing object type TABLE_EXPORT/TABLE/TABLE
Master table "SYSTEM"."EXP_TABLE" successfully loaded/unloaded
******************************************************************************
Dump file set for SYSTEM.EXP_TABLE is:
/home/oracle/bak/exp_test_tablespace.dmp
Job "SYSTEM"."EXP_TABLE" successfully completed at 18:45:45
[oracle@RHEL6 bak]$ SYS@ orcl>drop tablespace test including contents;
Tablespace dropped.
Elapsed: 00:00:00.42SYS@ orcl>create tablespace test datafile size 10M;
Tablespace created.
Elapsed: 00:00:00.47SYS@ orcl>select owner,table_name from dba_tables where tablespace_name='TEST';
no rows selected
Elapsed: 00:00:00.04[oracle@RHEL6 bak]$ vi impbak.txt
userid=system/sys
directory=expbak
dumpfile=exp_test_tablespace.dmp
logfile=imp_scott.log
~[oracle@RHEL6 bak]$ impdp parfile=/home/oracle/bak/impbak.txt
Import: Release 11.2.0.1.0 - Production on Tue Jul 24 18:49:32 2018
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production
With the Partitioning, Automatic Storage Management, OLAP, Data Mining
and Real Application Testing options
Master table "SYSTEM"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
Starting "SYSTEM"."SYS_IMPORT_FULL_01": system/******** parfile=/home/oracle/bak/impbak.txt
Processing object type TABLE_EXPORT/TABLE/TABLE
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
. . imported "SCOTT"."E1" 8.562 KB 14 rows
Job "SYSTEM"."SYS_IMPORT_FULL_01" successfully completed at 18:49:36SYS@ orcl>select owner,table_name from dba_tables where tablespace_name='TEST';
OWNER TABLE_NAME
------------------------------ ------------------------------
SCOTT E1
Elapsed: 00:00:00.04