利用数据泵屏幕敏感数据！
How to Mask the confidential or sensitive data with remap_data in datapump
List the test steps as below:
SQL> conn system/system@orcl
Connected.
SQL> create user henry identified by henry;
User created.
SQL> grant dba to henry;
Grant succeeded.
SQL> create user bai identified by bai;
User created.
SQL> grant dba to bai;
Grant succeeded.
SQL> conn henry/henry@orcl
Connected.
SQL> create table test (id number,name varchar2(10));
Table created.
SQL> insert into test values(1,'Baiwentao');
1 row created.
SQL> insert into test values(2,'Henrybai');
1 row created.
SQL> commit;
Commit complete.
SQL> conn system/system@orcl
Connected.
SQL> grant read,write on directory dmpdir2 to henry,bai;
Grant succeeded.
SQL>conn henry/henry@orcl
SQL> create package pkg_obfuscate
2 as
3 function mask_name(p_in varchar2) return varchar2;
4 end;
5 /
Package created.
SQL>
SQL> create or replace package body pkg_obfuscate
2 as
3 function mask_name(p_in varchar2)
4 return varchar2
5 is
6 begin
7 return dbms_random.string('a',8);
8 end;
9 end;
10 /
Package body created.
SQL>exit
D:\>expdp henry/henry@orcl tables=test dumpfile=test.dmp directory=dmpdir2 remap_data=henry.TEST.NAME:henry.pkg_obfuscate.mask_name
Export: Release 11.2.0.1.0 - Production on Tue Nov 29 19:44:14 2011
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 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Starting "HENRY"."SYS_EXPORT_TABLE_01": henry/********@orcl tables=test dumpfil
e=test.dmp directory=dmpdir2 remap_data=henry.TEST.NAME:henry.pkg_obfuscate.mask_name
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
. . exported "HENRY"."TEST" 5.429 KB 2 rows
Master table "HENRY"."SYS_EXPORT_TABLE_01" successfully loaded/unloaded
******************************************************************************
Dump file set for HENRY.SYS_EXPORT_TABLE_01 is:
D:\DBDUMP\TEST.DMP
Job "HENRY"."SYS_EXPORT_TABLE_01" completed with 19 error(s) at 19:44:28
D:\>
D:\>impdp bai/bai@orcl dumpfile=test.dmp directory=dmpdir2 remap_schema=henry:bai
Import: Release 11.2.0.1.0 - Production on Tue Nov 29 19:46:00 2011
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 - Prodution
With the Partitioning, OLAP, Data Mining and Real Application Testing options
Master table "BAI"."SYS_IMPORT_FULL_01" successfully loaded/unloaded
Starting "BAI"."SYS_IMPORT_FULL_01": bai/********@orcl dumpfile=test.dmp direc
ory=dmpdir2 remap_schema=henry:bai
Processing object type TABLE_EXPORT/TABLE/TABLE
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
. . imported "BAI"."TEST" 5.429 KB 2 rows
Job "BAI"."SYS_IMPORT_FULL_01" successfully completed at 19:46:05
D:\>sqlplus bai/bai@orcl
SQL*Plus: Release 11.2.0.1.0 Production on Tue Nov 29 19:46:14 2011
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> select * from test;
ID NAME
---------- ----------
1 DGJoCrAV
2 icvknyac