Oracle数据库备份与还原

cmd-》sqlplus

登陆用户名：conn as sysdba

口令：无

  创建临时表空间

create temporary tablespace btc_fuhua_temp 

tempfile 'E:\oradata\btc_fuhua_temp.dbf' 

size 32m 

autoextend on 

next 32m

extent management local;

  创建表空间

create tablespace btc_fuhua

logging

datafile 'E:\oradata\btc_fuhua.dbf' 

size 32m 

autoextend on 

next 32m

extent management local;

  删除表空间

DROP TABLESPACE  btc_fuhua  INCLUDING CONTENTS AND DATAFILES;

  创建用户

create user btc_fuhua identified by "123"

default tablespace btc_fuhua

temporary tablespace btc_fuhua_temp;

  删除用户

drop user user_name cascade;

  授权

grant connect,resource,dba to btc_fuhua;

exit

  创建存储文件夹

create or replace directory DATA_PUMP_DIR as 'D:\dump';

grant read,write on directory DATA_PUMP_DIR to btc_fuhua;

oracel默认的dump目录位置$ORACLE_BAS/admin/$SID/dpdump

不创建存储文件夹时默认在该位置；

  备份

expdp  btc_fuhua/123@orcl  schemas=btc_fuhua

directory=DATA_PUMP_DIR dumpfile=fuhua0221.dmp

  还原

impdp btc_fuhua/123 remap_schema=btc_fuhua:btc_fuhua remap_tablespace=btc_fuhua:btc_fuhua directory=DATA_PUMP_DIR dumpfile=btc_fuhua1223_11.dmp