1、Connect /as sysdba
2、Alter user hr identified by hr account unlock;???????? % 解锁hr用户
或者Alter user hr account unlock;
3、connect hr/hr;????????????????????? %连接上hr数据库
4、desc employees;??????????????????? %展示hr数据库中的employees数据表
?
Oracle两个自带的默认的用户名和密码:
hr/hr
scott/tiger
?
查看HR用户中所有的表:
select
?table_name?from
?user_tables;