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分类： oracle
2019-09-18 13:30:17
examine these facts about a database:
1.user is the database default tablespace.
2.user1, user2, and user3 have the create session privilege.
3.they also have unlimited quota on the default tablespace users.
4.they have no other privileges.
examine these commands:
sql> conn / as sysdba
connected.
sql> grant create table to user1 with admin option;
grant succeeded.
sql> conn user1/oracle_4u
connected.
sql> grant create table to user2;
grant succeeded.
sql> grant create table to user3 with admin option;
grant succeeded.
which two are true?
a)if sys revokes create table from user1, it is not revoked from user2 and user3.
b)only sys can revoke create table from user1.
c)if sys revokes create table from user1, it is revoked from user2 but not from user3.
d)any user with create table with admin option can revoke create table from user1.
e)only sys and user1 can revoke create table from user3.
answer: ad
赵：
排除两个 only 条件的选项。bd。
c 错，系统权限不能级联收回。