1. sqlplus命令登录: sqlplus /nolog
2. 使用管理员连接:connect /as sysdba
3. 创建用户:create user admin identified by admin
4. 授权:grant connect,resource,dba to admin
1. sqlplus命令登录: sqlplus /nolog
2. 使用管理员连接:connect /as sysdba
3. 创建用户:create user admin identified by admin
4. 授权:grant connect,resource,dba to admin