创建测试表:
D:\app\product\11.1.0\db_1>sqlplus "/as sysdba" SQL*Plus: Release 11.1.0.7.0 - Production on 星期日 5月 18 17:12:06 2014 Copyright (c) 1982, 2008, Oracle. All rights reserved. 连接到: Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options SQL> create table test_dump (id number,name varchar2(30)); 表已创建。 SQL> select t.table_name,tablespace_name,status from user_tables t where t.table_name like ‘TEST%‘; TABLE_NAME TABLESPACE_NAME STATUS ------------------------------ ------------------------------ -------- TEST_DUMP SYSTEM VALID SQL> begin 2 for i in 1..100 loop 3 insert into test_dump values(i,‘abc‘||to_char(i)); 4 end loop; 5 commit; 6 end; 7 / PL/SQL 过程已成功完成。
尝试导出:
D:\app\product\11.1.0\db_1>expdp \"sys/oracle as sysdba\" DUMPFILE=aduit2.dmp DIRECTORY=expdump TABLES=sys.test_dump logfile=testexp.log; Export: Release 11.1.0.7.0 - 64bit Production on 星期日, 18 5月, 2014 17:18:38 Copyright (c) 2003, 2007, Oracle. All rights reserved. 连接到: Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options 启动 "SYS"."SYS_EXPORT_TABLE_01": "sys/******** AS SYSDBA" DUMPFILE=aduit2.dmp DIRECTORY=expdump TABLES=sys.test_dump logfile=testexp.log; 正在使用 BLOCKS 方法进行估计... 处理对象类型 TABLE_EXPORT/TABLE/TABLE_DATA 使用 BLOCKS 方法的总估计: 0 KB ORA-39165: 未找到方案 SYS。 ORA-39166: 找不到对象 TEST_DUMP。 ORA-31655: 尚未为作业选择数据或元数据对象 作业 "SYS"."SYS_EXPORT_TABLE_01" 已经完成, 但是有 3 个错误 (于 17:18:40 完成)
查找原因,最后在Oracle的官方文档
Oracle? Database Utilities
11g Release 2
(11.2)
Part Number E16536-05
中找到
Note:
Several system schemas cannot be
exported because they are not user schemas; they contain Oracle-managed data and
metadata. Examples of system schemas that are not exported
include SYS
, ORDSYS
,
and MDSYS
.