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Oracle数据库导出数据泵（EXPDP）文件存放的位置

作者：手机用户2502891053 | 来源：互联网 | 2018-07-11 03:36
数据泵是服务器端工具，导出的文件是放在数据库所在的服务器上，当然我们知道可以通过directory目录对象来控制。目录对象默认有四个级别，当然是有优先级顺序的

数据泵是服务器端工具，导出的文件是放在数据库所在的服务器上，当然我们知道可以通过directory目录对象来控制。目录对象默认有四个级别，当然是有优先级顺序的

数据泵是服务器端工具，免备案空间，导出的文件是放在数据库所在的服务器上，当然我们知道可以通过directory目录对象来控制。目录对象默认有四个级别，当然是有优先级顺序的，优先级从上往下

1.每个文件单独的指定具体的目录

2.expdp导出时，指定的目录参数

3.用户定义的环境变量DATA_PUMP_DIR指定的目录

4.默认的目录对象DATA_PUMP_DIR


当然了对于oracle11g R2来说，又引入了一个可选项，我们就当是5

5.DATA_PUMP_DIR_SCHEMA_NAME目录



一、默认的目录对象DATA_PUMP_DIR测试


SQL> desc dba_directories

Name Null? Type

----------------------------------------------------------------- -------- ---------------------- OWNER NOT NULL VARCHAR2(30)

DIRECTORY_NAME NOT NULL VARCHAR2(30)

DIRECTORY_PATH VARCHAR2(4000)



SQL> set linesize 120 pagesize 100

SQL> col OWNER for a5

SQL> col DIRECTORY_NAME for a22

SQL> col DIRECTORY_PATH for a80



SQL> select * from dba_directories;


OWNER DIRECTORY_NAME DIRECTORY_PATH

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


SYS SUBDIR /u01/app/oracle/product/11.2.0/db/demo/schema/order_entry//2002/Sep

SYS SS_OE_XMLDIR /u01/app/oracle/product/11.2.0/db/demo/schema/order_entry/

SYS LOG_FILE_DIR /u01/app/oracle/product/11.2.0/db/demo/schema/log/

SYS MEDIA_DIR /u01/app/oracle/product/11.2.0/db/demo/schema/product_media/

SYS XMLDIR /u01/app/oracle/product/11.2.0/db/rdbms/xml

SYS DATA_FILE_DIR /u01/app/oracle/product/11.2.0/db/demo/schema/sales_history/

SYS DATA_PUMP_DIR /u01/app/oracle/admin/tj01/dpdump/

SYS ORACLE_OCM_CONFIG_DIR /u01/app/oracle/product/11.2.0/db/ccr/state



通过查询我们看到，所有的目录都属于SYS用户，而不管是哪个用户创建的，香港空间，在数据库里已经提前建好了这个目录对象DATA_PUMP_DIR。如果在使用expdp导出时，不指定目录对象参数，Oracle会使用数据库缺省的目录DATA_PUMP_DIR，不过如果想使用这个目录的话，用户需要具有exp_full_database的权限才行



SQL> conn scott/tiger

Connected.


SQL> select * from tab;

TNAME TABTYPE CLUSTERID

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

BONUS TABLE

DEPT TABLE

EMP TABLE

SALGRADE TABLE



SQL> create table demo as select empno,ename,sal,deptno from emp;

Table created.



SQL> exit

Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options



由于没有exp_full_database，所以这样的导出会报错，网站空间，你可以选择授权或者使用有权限的用户


[oracle@asm11g ~]$ expdp scott/tiger dumpfile=emp.dmp tables=emp

Export: Release 11.2.0.3.0 - Production on Fri Nov 16 13:48:19 2012

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

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options

ORA-39002: invalid operation

ORA-39070: Unable to open the log file.

ORA-39145: directory object parameter must be specified and non-null



[oracle@asm11g ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Fri Nov 16 13:58:14 2012

Copyright (c) 1982, 2011, Oracle. All rights reserved.

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options



SQL> grant exp_full_database to scott;

Grant succeeded.


SQL> exit

Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options



授权之后，导出成功，并且导出的文件和日志会到DATA_PUMP_DIR对象指定的目录

[oracle@asm11g ~]$ expdp scott/tiger dumpfile=emp.dmp tables=emp


Export: Release 11.2.0.3.0 - Production on Fri Nov 16 13:58:52 2012

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

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options

Starting "SCOTT"."SYS_EXPORT_TABLE_01": scott/******** dumpfile=emp.dmp tables=emp

Estimate in progress using BLOCKS method...

Processing object type TABLE_EXPORT/TABLE/TABLE_DATA

Total estimation using BLOCKS method: 64 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/INDEX/STATISTICS/INDEX_STATISTICS

Processing object type TABLE_EXPORT/TABLE/CONSTRAINT/REF_CONSTRAINT

Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS

. . exported "SCOTT"."EMP" 8.562 KB 14 rows

Master table "SCOTT"."SYS_EXPORT_TABLE_01" successfully loaded/unloaded

******************************************************************************

Dump file set for SCOTT.SYS_EXPORT_TABLE_01 is:

/u01/app/oracle/admin/tj01/dpdump/emp.dmp

Job "SCOTT"."SYS_EXPORT_TABLE_01" successfully completed at 13:59:05



对于oracle11g来说，我们还可以定义一个新的目录对象，对象名称是DATA_PUMP_DIR_SCHEMA_NAME,如果定义了这个目录对象，并授予权限，在用户导出没有指定


具体的目录参数的情况下，导出文件会到这个目录


[oracle@asm11g ~]$ mkdir sdir

[oracle@asm11g ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Fri Nov 16 14:13:06 2012

Copyright (c) 1982, 2011, Oracle. All rights reserved.


Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options



SQL> create directory data_pump_dir_scott as '/home/oracle/sdir';

Directory created.


SQL> grant read,write on directory data_pump_dir_scott to scott;

Grant succeeded.


SQL> exit

Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options



[oracle@asm11g ~]$ expdp scott/tiger dumpfile=emp1.dmp tables=emp



Export: Release 11.2.0.3.0 - Production on Fri Nov 16 14:14:29 2012


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


Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options

Database Directory Object has defaulted to: "DATA_PUMP_DIR_SCOTT".

Starting "SCOTT"."SYS_EXPORT_TABLE_01": scott/******** dumpfile=emp5.dmp tables=emp

Estimate in progress using BLOCKS method...

Processing object type TABLE_EXPORT/TABLE/TABLE_DATA

Total estimation using BLOCKS method: 64 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/INDEX/STATISTICS/INDEX_STATISTICS

Processing object type TABLE_EXPORT/TABLE/CONSTRAINT/REF_CONSTRAINT

Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS

. . exported "SCOTT"."EMP" 8.562 KB 14 rows

Master table "SCOTT"."SYS_EXPORT_TABLE_01" successfully loaded/unloaded

******************************************************************************

Dump file set for SCOTT.SYS_EXPORT_TABLE_01 is:

/home/oracle/sdir/emp1.dmp

Job "SCOTT"."SYS_EXPORT_TABLE_01" successfully completed at 14:14:34



二、如果设定了环境变量DATA_PUMP_DIR的话，环境变量会覆盖缺省设置

[oracle@asm11g ~]$ mkdir udir

[oracle@asm11g ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Fri Nov 16 13:59:15 2012

Copyright (c) 1982, 2011, Oracle. All rights reserved.


Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options


SQL> create directory udir as '/home/oracle/udir';

Directory created.


SQL> grant write ,read on directory udir to scott;

Grant succeeded.


SQL> exit

Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options



注意，在定义环境变量的时候，后面的值要用大写

[oracle@asm11g ~]$ export DATA_PUMP_DIR=udir

[oracle@asm11g ~]$ expdp scott/tiger dumpfile=emp2.dmp tables=emp


Export: Release 11.2.0.3.0 - Production on Fri Nov 16 14:05:07 2012


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


Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options

ORA-39002: invalid operation

ORA-39070: Unable to open the log file.

ORA-39087: directory name udir is invalid



[oracle@asm11g ~]$ export DATA_PUMP_DIR=UDIR

[oracle@asm11g ~]$ expdp scott/tiger dumpfile=emp2.dmp tables=emp

Export: Release 11.2.0.3.0 - Production on Fri Nov 16 14:05:23 2012

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


Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options

Database Directory Object has defaulted to: "UDIR".

Starting "SCOTT"."SYS_EXPORT_TABLE_01": scott/******** dumpfile=emp3.dmp tables=emp

Estimate in progress using BLOCKS method...

Processing object type TABLE_EXPORT/TABLE/TABLE_DATA

Total estimation using BLOCKS method: 64 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/INDEX/STATISTICS/INDEX_STATISTICS

Processing object type TABLE_EXPORT/TABLE/CONSTRAINT/REF_CONSTRAINT

Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS

. . exported "SCOTT"."EMP" 8.562 KB 14 rows

Master table "SCOTT"."SYS_EXPORT_TABLE_01" successfully loaded/unloaded

******************************************************************************

Dump file set for SCOTT.SYS_EXPORT_TABLE_01 is:

/home/oracle/udir/emp2.dmp

Job "SCOTT"."SYS_EXPORT_TABLE_01" successfully completed at 14:05:29



三、如果导出时定义了参数directory，会使用参数指定的目录

[oracle@asm11g ~]$ expdp scott/tiger directory=udir tables=emp


Export: Release 11.2.0.3.0 - Production on Fri Nov 16 14:07:33 2012

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

Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options

Starting "SCOTT"."SYS_EXPORT_TABLE_01": scott/******** directory=udir tables=emp

Estimate in progress using BLOCKS method...

Processing object type TABLE_EXPORT/TABLE/TABLE_DATA

Total estimation using BLOCKS method: 64 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/INDEX/STATISTICS/INDEX_STATISTICS

Processing object type TABLE_EXPORT/TABLE/CONSTRAINT/REF_CONSTRAINT

Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS

. . exported "SCOTT"."EMP" 8.562 KB 14 rows

Master table "SCOTT"."SYS_EXPORT_TABLE_01" successfully loaded/unloaded

******************************************************************************

Dump file set for SCOTT.SYS_EXPORT_TABLE_01 is:

/home/oracle/udir/expdat.dmp

Job "SCOTT"."SYS_EXPORT_TABLE_01" successfully completed at 14:07:41



四、如果每个文件都指定了具体的目录的话，会以文件定义的目录为准

[oracle@asm11g ~]$ mkdir userdir

[oracle@asm11g ~]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.3.0 Production on Fri Nov 16 14:09:58 2012

Copyright (c) 1982, 2011, Oracle. All rights reserved.

Connected to:

Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options



SQL> create or replace directory userdir as '/home/oracle/userdir';

Directory created.


SQL> grant read,write on directory userdir to scott;

Grant succeeded.


SQL> exit

Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options



[oracle@asm11g ~]$ expdp scott/tiger dumpfile=userdir:emp3.dmp logfile=userdir:test.log tables=emp


Export: Release 11.2.0.3.0 - Production on Fri Nov 16 14:12:38 2012

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


Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production

With the Partitioning, Automatic Storage Management, OLAP, Data Mining

and Real Application Testing options

Database Directory Object has defaulted to: "UDIR".

Starting "SCOTT"."SYS_EXPORT_TABLE_01": scott/******** dumpfile=userdir:emp4.dmp logfile=userdir:test.log tables=emp

Estimate in progress using BLOCKS method...

Processing object type TABLE_EXPORT/TABLE/TABLE_DATA

Total estimation using BLOCKS method: 64 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/INDEX/STATISTICS/INDEX_STATISTICS

Processing object type TABLE_EXPORT/TABLE/CONSTRAINT/REF_CONSTRAINT

Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS

. . exported "SCOTT"."EMP" 8.562 KB 14 rows

Master table "SCOTT"."SYS_EXPORT_TABLE_01" successfully loaded/unloaded

******************************************************************************

Dump file set for SCOTT.SYS_EXPORT_TABLE_01 is:

/home/oracle/userdir/emp3.dmp

Job "SCOTT"."SYS_EXPORT_TABLE_01" successfully completed at 14:12:44



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