数据泵导出文件更换名称，对导入操作无影响
问题描述： expdp 导出 dmp文件 ，但是导出操作时，dmp文件命名有误。 mv将导出后的dmp文件重命名。这样对 impdp 操作会有什么影响呢？
结论： 只要命令敲对，文件名写正确，impdp操作不受影响
一、模拟开始
scott用户下的表
Connected.
SQL>
SQL> select count(*) from tab;
COUNT(*)
----------
4
SQL> select * from tab;
TNAME TABTYPECLUSTERID
------------------------------ ------- ----------
BONUS TABLE
DEPT TABLE
EMP TABLE
SALGRADE TABLE 新建用户liuyaya下的表
Connected.
SQL>
SQL>
SQL> create user liuyaya identified by oracle account unlock;
User created.
SQL> SQL>
SQL>
SQL>
SQL> grant connect,resource to liuyaya;
Grant succeeded.
SQL>
SQL> conn liuyaya/oracle
Connected.
SQL> select count(1) from tab;
COUNT(1)
----------
0 数据泵导出scott用户下的表
Connected.
SQL> create or replace directory expdp_dir_scott01 as '/soft';
Directory created.
SQL> grant read,write on directory expdp_dir_scott01 to scott;
Grant succeeded.
SQL> exit
LRM-00101: unknown parameter name 'datafile'
[oracle@redhat6 ~]$ expdp scott/tiger directory=expdp_dir_scott01 schemas=scott dumpfile=scott01.dmp logfile=scott01.log parallel=2;
Export: Release 11.2.0.4.0 - Production on Thu Jun 21 19:15:52 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
Starting "SCOTT"."SYS_EXPORT_SCHEMA_01": scott/******** directory=expdp_dir_scott01 schemas=scott dumpfile=scott01.dmp logfile=scott01.log parallel=2
Estimate in progress using BLOCKS method...
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 192 KB
. . exported "SCOTT"."DEPT" 5.929 KB 4 rows
Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA
. . exported "SCOTT"."EMP" 8.562 KB 14 rows
. . exported "SCOTT"."SALGRADE" 5.859 KB 5 rows
. . exported "SCOTT"."BONUS" 0 KB 0 rows
Processing object type SCHEMA_EXPORT/TABLE/TABLE
Processing object type SCHEMA_EXPORT/TABLE/COMMENT
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/CONSTRAINT/REF_CONSTRAINT
Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
Master table "SCOTT"."SYS_EXPORT_SCHEMA_01" successfully loaded/unloaded
******************************************************************************
Dump file set for SCOTT.SYS_EXPORT_SCHEMA_01 is:
/soft/scott01.dmp
Job "SCOTT"."SYS_EXPORT_SCHEMA_01" successfully completed at Thu Jun 21 19:16:13 2018 elapsed 0 00:00:20 修改dumpfile文件名
[oracle@redhat6 soft]$ ls
database scott01.dmp scott01.log zjgd_back
[oracle@redhat6 soft]$ mv scott01.dmp liuyaya.dmp
[oracle@redhat6 soft]$ ls
database liuyaya.dmp scott01.log zjgd_back
导入到新建用户liuyaya
Import: Release 11.2.0.4.0 - Production on Thu Jun 21 20:18:01 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
Master table "SYS"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
Starting "SYS"."SYS_IMPORT_FULL_01": "/******** AS SYSDBA" directory=expdp_dir_scott01 dumpfile=liuyaya.dmp remap_schema=scott:liuyaya logfile=liuyaya.log parallel=2
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 "LIUYAYA"."DEPT" 5.929 KB 4 rows
. . imported "LIUYAYA"."EMP" 8.562 KB 14 rows
. . imported "LIUYAYA"."SALGRADE" 5.859 KB 5 rows
. . imported "LIUYAYA"."BONUS" 0 KB 0 rows
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/CONSTRAINT/REF_CONSTRAINT
Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
Job "SYS"."SYS_IMPORT_FULL_01" successfully completed at Thu Jun 21 20:18:05 2018 elapsed 0 00:00:02
[oracle@redhat6 soft]$ sqlplus liuyaya/oracle
SQL*Plus: Release 11.2.0.4.0 Production on Thu Jun 21 20:18:18 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 * from tab;
TNAME TABTYPECLUSTERID
------------------------------ ------- ----------
BONUS TABLE
DEPT TABLE
EMP TABLE
SALGRADE TABLE
二、 总结
将改了名字的dmp文件顺利导入到其他schema下，证明
数据库导出文件可以改名字，对导入操作无影响
结论： 只要命令敲对，文件名写正确，impdp操作不受影响
一、模拟开始
scott用户下的表
点击(此处)折叠或打开
SQL> conn scott/tigerConnected.
SQL>
SQL> select count(*) from tab;
COUNT(*)
----------
4
SQL> select * from tab;
TNAME TABTYPECLUSTERID
------------------------------ ------- ----------
BONUS TABLE
DEPT TABLE
EMP TABLE
SALGRADE TABLE 新建用户liuyaya下的表
点击(此处)折叠或打开
SQL> conn / as sysdbaConnected.
SQL>
SQL>
SQL> create user liuyaya identified by oracle account unlock;
User created.
SQL> SQL>
SQL>
SQL>
SQL> grant connect,resource to liuyaya;
Grant succeeded.
SQL>
SQL> conn liuyaya/oracle
Connected.
SQL> select count(1) from tab;
COUNT(1)
----------
0 数据泵导出scott用户下的表
点击(此处)折叠或打开
SQL> conn sys/oracle as sysdbaConnected.
SQL> create or replace directory expdp_dir_scott01 as '/soft';
Directory created.
SQL> grant read,write on directory expdp_dir_scott01 to scott;
Grant succeeded.
SQL> exit
点击(此处)折叠或打开
[oracle@redhat6 ~]$ expdp scott/tiger directory=expdp_dir_scott01 schemas=scott datafile=scott01.dmp logfile=scott01.log parallel=2;LRM-00101: unknown parameter name 'datafile'
[oracle@redhat6 ~]$ expdp scott/tiger directory=expdp_dir_scott01 schemas=scott dumpfile=scott01.dmp logfile=scott01.log parallel=2;
Export: Release 11.2.0.4.0 - Production on Thu Jun 21 19:15:52 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
Starting "SCOTT"."SYS_EXPORT_SCHEMA_01": scott/******** directory=expdp_dir_scott01 schemas=scott dumpfile=scott01.dmp logfile=scott01.log parallel=2
Estimate in progress using BLOCKS method...
Processing object type SCHEMA_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 192 KB
. . exported "SCOTT"."DEPT" 5.929 KB 4 rows
Processing object type SCHEMA_EXPORT/PRE_SCHEMA/PROCACT_SCHEMA
. . exported "SCOTT"."EMP" 8.562 KB 14 rows
. . exported "SCOTT"."SALGRADE" 5.859 KB 5 rows
. . exported "SCOTT"."BONUS" 0 KB 0 rows
Processing object type SCHEMA_EXPORT/TABLE/TABLE
Processing object type SCHEMA_EXPORT/TABLE/COMMENT
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/CONSTRAINT/REF_CONSTRAINT
Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
Master table "SCOTT"."SYS_EXPORT_SCHEMA_01" successfully loaded/unloaded
******************************************************************************
Dump file set for SCOTT.SYS_EXPORT_SCHEMA_01 is:
/soft/scott01.dmp
Job "SCOTT"."SYS_EXPORT_SCHEMA_01" successfully completed at Thu Jun 21 19:16:13 2018 elapsed 0 00:00:20 修改dumpfile文件名
点击(此处)折叠或打开
[oracle@redhat6 ~]$ cd /soft[oracle@redhat6 soft]$ ls
database scott01.dmp scott01.log zjgd_back
[oracle@redhat6 soft]$ mv scott01.dmp liuyaya.dmp
[oracle@redhat6 soft]$ ls
database liuyaya.dmp scott01.log zjgd_back
导入到新建用户liuyaya
点击(此处)折叠或打开
[oracle@redhat6 soft]$ impdp \'/ as sysdba\' directory=expdp_dir_scott01 dumpfile=liuyaya.dmp remap_schema=scott:liuyaya logfile=liuyaya.log parallel=2Import: Release 11.2.0.4.0 - Production on Thu Jun 21 20:18:01 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
Master table "SYS"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
Starting "SYS"."SYS_IMPORT_FULL_01": "/******** AS SYSDBA" directory=expdp_dir_scott01 dumpfile=liuyaya.dmp remap_schema=scott:liuyaya logfile=liuyaya.log parallel=2
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 "LIUYAYA"."DEPT" 5.929 KB 4 rows
. . imported "LIUYAYA"."EMP" 8.562 KB 14 rows
. . imported "LIUYAYA"."SALGRADE" 5.859 KB 5 rows
. . imported "LIUYAYA"."BONUS" 0 KB 0 rows
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/CONSTRAINT/REF_CONSTRAINT
Processing object type SCHEMA_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS
Job "SYS"."SYS_IMPORT_FULL_01" successfully completed at Thu Jun 21 20:18:05 2018 elapsed 0 00:00:02
[oracle@redhat6 soft]$ sqlplus liuyaya/oracle
SQL*Plus: Release 11.2.0.4.0 Production on Thu Jun 21 20:18:18 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 * from tab;
TNAME TABTYPECLUSTERID
------------------------------ ------- ----------
BONUS TABLE
DEPT TABLE
EMP TABLE
SALGRADE TABLE
二、 总结
将改了名字的dmp文件顺利导入到其他schema下，证明
数据库导出文件可以改名字，对导入操作无影响
声明：本站所有文章资源内容，如无特殊说明或标注，均为采集网络资源。如若本站内容侵犯了原著者的合法权益，可联系本站删除。
