EXPDP and IMPDP
一、EXPDP导出
建立DIRECTORY对象.并且需要为数据库用户授予使用DIRECTORY对象权限.
CREATE DIRECTORY dump dir AS ‘/tmp/dumpfile’;
GRANT READ, WIRTE ON DIRECTORY dump_dir TO scott;
1,导出表
Expdp scott/tiger DIRECTORY=dump_dir DUMPFILE=tab.dmp TABLES=dept,emp
2,导出方案
Expdp scott/tiger DIRECTORY=dump_dir DUMPFILE=schema.dmp SCHEMAS=system,scott
3.导出表空间
Expdp system/manager DIRECTORY=dump_dir DUMPFILE=tablespace.dmp TABLESPACES=user01,user02
4,导出数据库
Expdp system/manager DIRECTORY=dump_dir DUMPFILE=full.dmp FULL=Y
二、IMPDP导入
1, 导入表
Impdp scott/tiger DIRECTORY=dump_dir DUMPFILE=tab.dmp TABLES=dept,emp
Impdp system/manage DIRECTORY=dump_dir DUMPFILE=tab.dmp TABLES=scott.dept,scott.emp REMAP_SCHEMA=SCOTT:SYSTEM
第一种方法表示将DEPT和EMP表导入到SCOTT方案中,第二种方法表示将DEPT和EMP表导入的SYSTEM方案中.注意,如果要将表导入到其他方案中,必须指定REMAP SCHEMA选项.
2,导入方案
Impdp scott/tiger DIRECTORY=dump_dir DUMPFILE=schema.dmp SCHEMAS=scott
Impdp system/manager DIRECTORY=dump_dir DUMPFILE=schema.dmp SCHEMAS=scott REMAP_SCHEMA=scott:system
3,导入表空间
Impdp system/manager DIRECTORY=dump_dir DUMPFILE=tablespace.dmp TABLESPACES=user01
4,导入数据库
Impdp system/manager DIRECTORY=dump_dir DUMPFILE=full.dmp FULL=y
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