oracle数据库基本操作

1、用工具（如：plsql）删除所有porjectclear的会话
    plsql ---> zszlsit
    或者手动杀死session
2、cmd-------->sqlplus / as sysdba
3、SQL>  
    (1) drop user hqzl cascade;
    (2) create user hqhtxc default tablespace HQHT_JZ identified by hqhtxc;
    (3) grant all privileges, dba to hqhtxc;
4、SQL>quit
5、 imp hqhtxc/hqhtxc file=E:\hengqin\hqht20180411.dmp fromuser= hqhtxc touser= hqhtxc

select username,sid,serial# from v$session where username=‘PDU‘
 alter system kill session ‘9,1793‘
select ‘alter system kill session ‘‘‘||sid||‘,‘||serial#||‘‘‘;‘ from v$session;

create tablespace hqht_jz
datafile ‘e:/tablespace/hqht_jz.dbf‘   
size 1024M   
autoextend on next 5M maxsize 3000M;  


删除表空间  
drop tablespace cebbank including contents and datafiles  



--导入导出命令     
ip导出方式： exp demo/demo@127.0.0.1:1521/orcl file=f:/f.dmp full=y  
exp demo/demo@orcl file=f:/f.dmp full=y  
imp demo/demo@orcl file=f:/f.dmp full=y ignore=y  

create user aaabank2 identified by 123456  default tablespace aaabank2; 

grant dba to aaabank2;