下列哪些功能是数据库管理员DBA所具有的权限？（）。

A.创建账户

B.收回已经授予的权限

C.授予某个用户权限

D.指定安全级别

A.dbo

B.guest

C.sys

D.sysadmin

A.DROP

B.REVOKE

C.REMOVE

D.DELETE

A.CREATE ANY TABLE

B.CREATE TABLE

C.CREATE ANY VIEW

D.CREATE VIEW

A.GRANT SELECT TO SC ON Wang WITH PUBLIC

B.GRANT SELECT ON SC TO Wang WITH PUBLIC

C.GRANT SELECT TO SC ON Wang WITH GRANT OPTION

D.GRANT SELECT ON SC TO Wang WITH GRANT OPTION

A.with admin option

B.with check option

C.with grant option

D.with null option

A.create table

B.create any table

C.create all table

D.create view