Examine the following steps performed on a database instance:
1: The DBA grants the CREATE TABLE system privilege to the SKD user with ADMIN OPTION.
2: The SKD user creates a table.
3: The SKD user grants the CREATE TABLE system privilege to the HR user.
4: The HR user creates a table.
5: The DBA revokes the CREATE TABLE system privilege from SKD.
Which statement is true after step 5 is performed?
A.The table created by SKD is not accessible and SKD cannot create new tables.
B.The tables created by SKD and HR remain, but both cannot create new tables.
C.The table created by HR remains and HR still has the CREATE TABLE system privilege.
D.The table created by HR remains and HR can grant the CREATE TABLE system privilege to other
users.
参考155
系统权限取消时不级联，对象权限取消时是级联的。
SKD 创建的表是可以访问的，但是不能创建新表，A 错
系统权限的收回不是级联的，所以不会影响 HR 用户的权限，HR 可以创建新表，B 错，C 对
SKD 授予 HR 权限时没有使用 with admin option，故 HR 用户不能授予其他用户权限，D 错