CMD操作oracle数据导库过程图解
1.cmd窗口下,登陆管理员用户:sqlplus sys/1 as sysdba

2.创建新用户并为用户授权:
(1)创建用户
---Create the user create user Helq3_Pro identified by "1" default tablespace MOF temporary tablespace TEMP profile DEFAULT;
(2)为用户授权
SQL> grant dba to helq3_cpbgt_20200714 with admin option; SQL> grant unlimited tablespace to helq3_cpbgt_20200714 with admin option; SQL> grant imp_full_database to helq3_cpbgt_20200714;

3.数据导入
(1)imp导入:
imp userid=helq3_cpbgt_20200714/1@orcl file=E:\cpcz.dmp full=yignore=y

(2)数据泵导入impdp
首先,创建,并为用户授权此文件夹

数据泵导入:
impdp helq3_cpbgt_20200714/1 dumpfile=cpcz.dmp directory=expdp_dir remap_schema=helq3_cpbgt_20200714(导出时的用户名):helq3_cpbgt_20200714

4.数据导出
(1)exp导出:
exp helq3_cpbgt_20200714/1@orcl file=E:\cpcz.dmp log=cpcz.log

导出带空表的数据库->先做查询,再正常导出:
select 'alter table '||table_name||' allocate extent;' from user_tables where num_rows=0;
(2)expdp 数据泵导出:
expdp helq3_cpbgt_20200714/1@orclschemas=helq3_cpbgt_20200714 dumpfile=cpcz.dmp directory=expdp_dir logfile=cpcz.log

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