昨晚同学问我一个他工作中的问题
要导出整个数据库，但要排除一张50G的大表
我查看了数据泵的语法，找到解决办法，只需要分2步导出即可

第一步：排除该用户，导出全库；第二步：排除该表，导出该用户
以scott.dept为例子，假设它就是那个50G的大表
[oracle@hong ~]$ mkdir -p /home/oracle/dir_test
[oracle@hong ~]$ export ORACLE_SID=hzh
[oracle@hong ~]$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Sat Mar 16 11:02:28 2013

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options

SYS@hzh >create or replace directory test as '/home/oracle/dir_test';

Directory created.

SYS@hzh >grant read,write on directory test to public;

Grant succeeded.

SYS@hzh >exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
[oracle@hong ~]$ expdp system/oracle directory=test dumpfile=test1.dmp logfile=test1.log full=y exclude=schema:"IN('SCOTT')"

输出略

[oracle@hong ~]$ expdp scott/oracle directory=test dumpfile=test2.dmp logfile=test2.log exclude=table:"IN('DEPT')"

输出略

[oracle@hong ~]$ ll dir_test/
total 65100
-rw-r----- 1 oracle oinstall 66347008 Mar 16 11:06 test1.dmp
-rw-r--r-- 1 oracle oinstall    54791 Mar 16 11:06 test1.log
-rw-r----- 1 oracle oinstall   176128 Mar 16 11:08 test2.dmp
-rw-r--r-- 1 oracle oinstall     1530 Mar 16 11:08 test2.log

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