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Oracle创建用户、表空间、导入导出等

2018-03-28 15:57 417 查看
出处:http://blog.csdn.net/yh_zeng2 http://blog.csdn.net/yh_zeng2/article/details/76544794

1、创建用户与表空间

1)创建表空间

[sql] view plain copy print?CREATE TABLESPACE test
LOGGING
DATAFILE ’E:\oradata\test.DBF’
SIZE 32M
AUTOEXTEND ON
NEXT 1M
EXTENT MANAGEMENT LOCAL;
CREATE TABLESPACE test
LOGGING
DATAFILE 'E:\oradata\test.DBF'
SIZE 32M
AUTOEXTEND ON
NEXT 1M
EXTENT MANAGEMENT LOCAL;

2)创建用户并指定表空间

[sql] view plain copy print?CREATE USER test IDENTIFIED BY test DEFAULT TABLESPACE test TEMPORARY TABLESPACE TEMP;
CREATE USER test IDENTIFIED BY test
DEFAULT TABLESPACE test
TEMPORARY TABLESPACE TEMP;

3)给用户授权DBA权限

[sql] view plain copy print?GRANT connect,dba TO test;
GRANT connect,dba TO test;

4)给用户授权,可以创建DBLINK

[sql] view plain copy print?GRANT create database link to test;
GRANT create database link to test;

2、删除用户和表空间

1)删除用户和用户相关的数据

[sql] view plain copy print?drop user test cascade;
drop user test cascade;

2)删除表空间和相应文件

[sql] view plain copy print?drop tablespace test including contents and datafiles;
drop tablespace test including contents and datafiles;

3、imp/exp导入导出

1)imp导入

[plain] view plain copy print?imp test/test@ORCL file=F:\数据库备份\broker[2015-06-26].dmp fromuser=sirm touser=yh_test log=F:\数据库备份\broker[2015-06-26]_imp.log ignore=y
imp test/test@ORCL file=F:\数据库备份\broker[2015-06-26].dmp   fromuser=sirm touser=yh_test log=F:\数据库备份\broker[2015-06-26]_imp.log ignore=y

2)exp导出

[plain] view plain copy print?exp test/test@RTJJ file=F:\数据库备份\2015-07-10.dmp tables=(RT_OUTGOINGREQUEST,RT_TRADESURVEYLOG,RT_TRADESURVEYLOGDOC) log=F:\数据库备份\2015-07-10.log
exp test/test@RTJJ file=F:\数据库备份\2015-07-10.dmp tables=(RT_OUTGOINGREQUEST,RT_TRADESURVEYLOG,RT_TRADESURVEYLOGDOC) log=F:\数据库备份\2015-07-10.log

4、impdp/expdp导入导出

该方案可以解决oracle高版本导出数据库数据,低版本Oracle无法导入的bug,通过导出的时候指定版本号解决
1)创建directory

[sql] view plain copy print?CREATE OR REPLACE DIRECTORY dmpdir AS ‘E:\公司资料\数据备份’;
GRANT read, write ON DIRECTORY dmpdir TO test;
CREATE OR REPLACE DIRECTORY dmpdir AS 'E:\公司资料\数据备份';
GRANT read, write ON DIRECTORY dmpdir TO test;

2)远程导出/导入

使新创建的用户test登录并创建数据库连接DBLINK:[sql] view plain copy print?sqlplus test/test as sysdba;
create public database link dlink_test connect to test identified by test using ‘test’; – using ‘test’中,test是远程服务名,是在Net Manager配置的服务命名,也可以使用127.0.0.1/orcl
sqlplus test/test as sysdba;
create public database link dlink_test connect to test identified by test  using 'test'; -- using 'test'中,test是远程服务名,是在Net Manager配置的服务命名,也可以使用127.0.0.1/orcl
远程导出:[plain] view plain copy print?EXPDP test/test DIRECTORY=dmpdir NETWORK_LINK=dlink_test DUMPFILE=test.dmp SCHEMAS=test LOGFILE=test_expdp.log version=10.2.0.4.0
EXPDP test/test DIRECTORY=dmpdir NETWORK_LINK=dlink_test
DUMPFILE=test.dmp SCHEMAS=test LOGFILE=test_expdp.log version=10.2.0.4.0
远程导入:[plain] view plain copy print?impdp test/test DIRECTORY=dmpdir NETWORK_LINK=dlink_test SCHEMAS=test remap_schema=test2:test remap_tablespace=test2:test table_exists_action=REPLACE LOGFILE=test_import.log
impdp test/test DIRECTORY=dmpdir NETWORK_LINK=dlink_test  SCHEMAS=test
remap_schema=test2:test remap_tablespace=test2:test table_exists_action=REPLACE LOGFILE=test_import.log

3)本地导出/导入

本地导出:[plain] view plain copy print?EXPDP test/test@orcl DIRECTORY=dmpdir DUMPFILE=test.dmp SCHEMAS=test LOGFILE=test_expdp.log version=10.2.0.4.0
EXPDP test/test@orcl DIRECTORY=dmpdir   DUMPFILE=test.dmp SCHEMAS=test LOGFILE=test_expdp.log  version=10.2.0.4.0
本地导入:[plain] view plain copy print?impdp test/test@orcl DIRECTORY=dmpdir DUMPFILE=test2.dmp SCHEMAS=test remap_schema=test2:test remap_tablespace=test2:test table_exists_action=REPLACE LOGFILE=test2_import.log
impdp test/test@orcl DIRECTORY=dmpdir DUMPFILE=test2.dmp  SCHEMAS=test
remap_schema=test2:test  remap_tablespace=test2:test table_exists_action=REPLACE LOGFILE=test2_import.log

5、查看所有的DIRECTORY 目录

[sql] view plain copy print?select * from dba_directories;
select * from dba_directories;


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