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单选题The user HR owns the EMP table. The user HR grants privileges to the user SCOTT by using this command：  SQL GRANT SELECT，INSERT，UPDATE ON emp TO scott WITH GRANT OPTION； The user SCOTT executes this command to grant privileges to the user JIM： SQL GRAN

题目
单选题
The user HR owns the EMP table. The user HR grants privileges to the user SCOTT by using this command：  SQL> GRANT SELECT，INSERT，UPDATE ON emp TO scott WITH GRANT OPTION； The user SCOTT executes this command to grant privileges to the user JIM： SQL> GRANT SELECT，INSERT，UPDATE ON hr.emp TO jim；  Now， the user HR decides to revoke privileges from JIM using this command： SQL> REVOKE SELECT，INSERT，UPDATE ON emp FROM jim； Which statement is true after HR issues the REVOKE command（）
A

The command fails because SCOTT still has privileges.

B

The command succeeds and privileges are revoked from JIM.

C

The command fails because HR cannot revoke the privileges from JIM.

D

The command succeeds and only HR has the privilege to perform the SELECT， INSERT， and UPDATEoperations on the EMP table.

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相似问题和答案

第1题：

The user Sue issues this SQL statement:GRANT SELECT ON sue. EMP TO alice WITH GRANT OPTION; The user Alice issues this SQL statement:GRANT SELECT ON sue. EMP TO reena WITH GRANT OPTION; The user Reena issues this SQL statement:GRANT SELECT ON sue. EMP TO timber;The user Sue issues this SQL statement:REVOKE select on sue. EMP FROM alice;For which users does the revoke command revoke SELECT privileges on the SUE.EMP table?（）

A. Alice only

B. Alice and Reena

C. Alice, Reena, and Timber

D. Sue, Alice, Reena, and Timber


参考答案：C

第2题：

The DBA issues this SQL command:What privileges does the user Scott have at this point?()

A. No privileges.

B. Only the SELECT privilege.

C. Only the CONNECT privilege.

D. All the privileges of a default user.


参考答案：A

第3题：

The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this? ()

A. GRANT select ON dept TO ALL_ USER;

B. GRANT select ON dept TO ALL;

C. GRANT QUERY ON dept TO ALL_USERS

D. GRANT select ON dept TO PUBLIC;


参考答案：D

第4题：

The HR user creates a view with this command：  SQL> CREATE VIEW emp_v AS SELECT * FROM scott.emp；  Now HR wants to grant the SELECT privilege on the EMP_V view to the JIM user.  Which statement is true in this scenario？（）

  • A、HR can grant the privilege to JIM but without GRANT OPTION.
  • B、HR can grant the privilege to JIM because HR is the owner of the view.
  • C、SCOTT has to grant the SELECT privilege on the EMP table to JIM before this operation.
  • D、HR needs the SELECT privilege on the EMP table with GRANT OPTION from SCOTT for this operation.

正确答案:D

第5题：

The user Alice wants to grant all users query privileges on her DEPT table. Which SQL statement accomplishes this?（）

  • A、GRANT select ON dept TO ALL_ USER;
  • B、GRANT select ON dept TO ALL;
  • C、GRANT QUERY ON dept TO ALL_USERS
  • D、GRANT select ON dept TO PUBLIC;

正确答案:D

第6题：

The DBA issues this SQL command:CREATE USER scottIDENTIFIES by tiger;What privileges does the user Scott have at this point? ()

A. No privileges.

B. Only the SELECT privilege.

C. Only the CONNECT privilege.

D. All the privileges of a default user.


参考答案：A

第7题：

The user SCOTT who is the owner of ORDERS and ORDERJTEMS tables issues the following  GRANT command：  GRANT ALL   ON orders， order_items   TO PUBLIC；   What correction needs to be done to the above statement？ （）

  • A、 PUBLIC should be replaced with specific usernames.
  • B、 ALL should be replaced with a list of specific privileges.
  • C、 WITH GRANT OPTION should be added to the statement.
  • D、 Separate GRANT statements are required for ORDERS and ORDERJTEMS tables.

正确答案:D

第8题：

The DBA issues this SQL command: CREATE USER scott IDENTIFIED by tiger; What privileges does the user Scott have at this point?()

A. no privileges

B. only the SELECT privilege

C. only the CONNECT privilege

D. all the privileges of a default user


参考答案：A

第9题：

授予sa用户在SCOTT.EMP表中SAL列的更新权限的语句是（）。

  • A、GRANT CHANGE ON SCOTT.EMP TO SA
  • B、GRANT UPDATE ON SCOTT.EMP（SAL） TO SA
  • C、GRANT UPDATE （SAL） ON SCOTT.EMP TO SA
  • D、GRANT MODIFY ON SCOTT.EMP（SAL） TO SA

正确答案:B

第10题：

The DBA issues this SQL command: CREATE USER scott IDENTIFIES by tiger; What privileges does the user Scott have at this point?（）

  • A、No privileges.
  • B、Only the SELECT privilege.
  • C、Only the CONNECT privilege.
  • D、All the privileges of a default user.

正确答案:A

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