1. EXPDP/IMPDP方式
SQL> create user zlm identified by zlm;
User created.
SQL> grant connect,resource to zlm;
Grant succeeded.
SQL> create tablespace ts_zlm datafile '/u01/app/oracle/oradata/ora10g/zlm01.dbf' size 100M reuse;
Tablespace created.
SQL> alter user zlm default tablespace ts_zlm;
User altered.
SQL> select username,default_tablespace from dba_users where username='ZLM';
USERNAME DEFAULT_TABLESPACE
------------------------------ ------------------------------
ZLM TS_ZLM
SQL> col name for a50
SQL> select name,bytes/1024/1024 from v$datafile where name like '%users01.dbf';
NAME BYTES/1024/1024
-------------------------------------------------- ---------------
/u01/app/oracle/oradata/ora10g/users01.dbf 5
SQL> set lin 120 pages 120
SQL> col username for a8
SQL> col name for a45
SQL> select a.username,a.default_tablespace,b.name from dba_users a,v$datafile b,v$tablespace c where a.default_tablespace=c.name and b.ts#=c.ts# and a.username='SCOTT';
USERNAME DEFAULT_TABLESPACE NAME
-------- ------------------------------ ---------------------------------------------
SCOTT USERS /u01/app/oracle/oradata/ora10g/users01.dbf
SQL> alter database datafile '/u01/app/oracle/oradata/ora10g/users01.dbf' resize 100M;
Database altered.
SQL> select name,bytes/1024/1024 from v$datafile where name like '%users01.dbf';
NAME BYTES/1024/1024
--------------------------------------------- ---------------
/u01/app/oracle/oradata/ora10g/users01.dbf 100
SQL> select owner,directory_name from dba_directories;
OWNER DIRECTORY_NAME
------------------------------ ------------------------------
SYS DATA_PUMP_DIR
SYS SUBDIR
SYS XMLDIR
SYS MEDIA_DIR
SYS LOG_FILE_DIR
SYS DATA_FILE_DIR
SYS WORK_DIR
SYS ADMIN_DIR
SQL> create directory zlm_pump as '/u01/expdp';
Directory created.
SQL> !mkdir /u01/expdp
SQL> alter user scott identified by tiger account unlock;
User altered.
SQL> grant connect,resource to scott;
Grant succeeded.
SQL> grant read,write on directory zlm_pump to scott;
Grant succeeded.
SQL> conn scott/tiger
Connected.
SQL> create table zlm1 as select * from dba_objects;
Table created.
SQL> insert into zlm1 select * from dba_objects;
50318 rows created.
SQL> /
50318 rows created.
SQL> select count(*) from zlm1;
COUNT(*)
----------
150954
SQL> select table_name from user_tables where tablespace_name='USERS';
TABLE_NAME
------------------------------
ZLM1
SALGRADE
BONUS
EMP
DEPT
[oracle@ora10g ~]$ expdp scott/tiger parallel=2 directory=zlm_pump dumpfile=scott01.dmp,scott02.dmp tablespaces=users
Export: Release 10.2.0.1.0 - Production on Sunday, 31 August, 2014 14:35:29
Copyright (c) 2003, 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
Starting "SCOTT"."SYS_EXPORT_TABLESPACE_01": scott/******** parallel=2 directory=zlm_pump dumpfile=scott01.dmp,scott02.dmp tablespaces=users
Estimate in progress using BLOCKS method...--可以通过estimate=block(默认值)指定，还有一个是statistic
Processing object type TABLE_EXPORT/TABLE/TABLE_DATA
Total estimation using BLOCKS method: 17.18 MB
Processing object type TABLE_EXPORT/TABLE/TABLE
. . exported "SCOTT"."ZLM1" 14.06 MB 150954 rows
. . exp |