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