OCP最新考试题库解析之052考试原题-10-20180810
29页1、052题库解析,最新15道题 052-题库解析-10-20180810,题库新特点:, 最新052题库,按知识点分类,方便大家学习每周五晚8点-直播地址: ocp考试讨论群:836361015 验证:ocp CUUG整理,官网:,九.Privileges,47. USER1 grants SELECT, INSERT, and UPDATE privileges on USER1.EMP to USER2. Sys executes this command: SQL REVOKE UPDATE ON user1.emp FROM user1;,What will be the outcome?,A) It will fail because USER1 is the owner of USER1.EMP. B) It will succeed but neither USER1 nor USER2 will be able to perform SELECT, INSERT, or UPDATE,on USER1.EMP.,C) It will succeed and only US
2、ER1 will be unable to perform SELECT, INSERT, or UPDATE on,USER1.EMP.,D) It will succeed and neither USER1 nor USER2 will be able to perform INSERT or UPDATE on USER1.EMP, but both will be able to query USER1.EMP. E) It will succeed and only USER2 will be unable to perform SELECT, INSERT, or UPDATE on,USER1.EMP. Answer:A,49. 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 Q
3、UOTA 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.
4、 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.(为什么错 了?),Answer: AD,49. In one of your databases:,1. USER1 and USER2 have no system privileges. 2. ROLE1 only has these privileges: CREATE SESSION CREATE TABLE CREATE VIEW Examine these commands: SQL conn / as sysdba,Connected.,SQL GRANT create table, role1 TO user1 WI
5、TH ADMIN OPTION; Grant succeeded. SQL conn user1/oracle_4U Connected. SQL GRANT role1 TO user2; Grant succeeded. Which command would you execute and as which user, to revoke the create table privilege from USER2? A) REVOKE CREATE TABLE FROM user2 as SYS B) REVOKE CREATE TABLE FROM role1 as SYS C) REVOKE CREATE TABLE FROM role1 as USER1 D) REVOKE CREATE TABLE FROM user1 as SYS Answer: B,只有sys用户才能够从role中revoke权限,而user1只能把role授权给其它用户,或者 从其它用户回 收role。,51. Examine these facts about a database: The da
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