Oracle数据库常用命令

1、create directory dump as '/home/oracle/dump';

2、create user username identified by password default tablespace tablespacename temporary tablespace temp;

grant connect, resource to username;

grant connect,resource,create view to tusername;

3、select * from all_tables; 查询用户所具有表的权限

4、grant read,write on directory dump to username; 

5、grant IMP_FULL_DATABASE to username;(导入数据库失败时，加上这句。)（出现错误IMP-00013）

6、imp username/password file=filename.dmp  ignore=y full=y;导入数据库文件

7、select sid,serial#,status from v$session where username='username';
      select sid,serial#,status from v$session  where lower(username)='username';

8、exp username/password EXCLUDE=TABLE:\"IN\(\'t1\'，\'t2\')\" file=filename.dmp;导出除开t1,t2的表

9、impdp username/password DIRECTORY=dbbackup DUMPFILE=filename.dmp remap_schema=username:username2  Tables=username.tablename;

10、GRANT debug any procedure, debug connect session TO USERXXX;