oracle import data process

(1) Log in to sqlplus with sqlplus
  : username as sysdba;

(2) Enter the password, note that the characters do not appear on the screen

(3) Delete a user that will be created, in case the user has already created

    DROP USER xxxx CASCADE;

(4) Create a tablespace, pay attention to the storage path, it is a custom
   
    create tablespace XXX tablespace datafile 'D:\xxxx.dbf' size 50m autoextend on next 50m maxsize 20480m extent management local;

(5) Create a user, and Assign him the tablespace he just created
 
  create user username identified by xxx password default tablespace xxx tablespace;

(6) assign user permissions: connect,resource,dba
   grant connect,resource,dba to xxxx username;

(7) in the command Line (cmd) import table

imp username/password@orcl full=y file=e:\xxx.dmp ignore=y;