Dameng database_ Common user management commands

Damon database users

user	notes
SYS	Dameng database has built-in management users , Can't log in directly
SYSDBA	Database administrator
SYSAUDITOR	Audit users
SYSSSO	Secure users
SYSDBO	Data operators （ Security version ）

View all user information ：

SELECT * FROM DBA_USERS;

Create user

Common user parameter configuration ：

Parameter name	Parameter meaning
FAILD_LOGIN_ATTEMPS	Number of failed attempts
PASSWORD_LOCK_TIME	Login attempt failed account lockout time
PASSWORD_LIFE_TIME	Password expiration time

Create user statements

create user  user name  identified by  password  limit password_life_time  Time （s）,failed_login_attemps  frequency , password_lock_time  Time （s）;

User management

Lock the user

alter user  user name  account lock;

Unlocking users

alter user  user name  account ulock;

Change user password

alter user  user name  identified by  password ;

  Delete user

drop user  user name ;
 or 
--  cascading deletion , Use with caution 
drop user  user name  cascade;

Rights management

General weighting

grant  Authority type  on  Authority object  to  user name ;

Role empowerment

grant  The role of  to  user name ;

General permission recycling

revoke  Authority type  on  Authority object  from  user name ;

Role permission recycling

revoke  The role of  from  user name ;

Dameng community address ：https://eco.dameng.com