choose one
What is a pre-requisite to alter a role?
A) You should set the OS_ROLES parameter to true.
B) You should be granted the DBA role.
C) You should be granted the role with the GRANT OPTION.
D) You should have the ALTER ANY ROLE system privilege.
Answer：D
(解析：要修改role只要分配D答案的权限即可。来自3组：1015267481)