Oracle Database 用户相关
使用sysdba登陆 sqlplus sys/oracle as sysdba 查询DBA权限用户 select GRANTEE as username,admin_option from dba_role_privs where GRANTED_ROLE='DBA' 使用账号密码登录 sqlplus username/password 如：普通用户登录 sqlplus scott/tiger sqlplus username/password as sysdba 如：sqlplus sys/admin as sysdba sqlplus username/password@net_service_name 如
