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Examine the code:   CREATE ROLE readonly IDENTIFIES USING app.chk_readwrite ; CREATE ROLE readwrite IDENTIFIED USING app.chk_readwrite ;   CREATE OR REPLACE PROCEDURE app.chk_readwrite  AUTHID CURRENT_USER IS  ipchk STRING(30);  BEGIN  IF sys_context(‘USERENV’,’ISDBA’)=’TRUE’  THEN DBMS_SESSION.SET_ROLE‘READWRITE’) ;  ELSE DBMS_SESSION.SET_ROLE(‘READONLY’) ;  END; /   Which three statements correctly describe the Secure Application role definition?()
A

No user or application has to remember or hide a password.

B

It prevents everyone except a true DBA session from acquiring the READWRITE role.

C

app.chk_readwrite is called whenever a user tries to access rows protected by the READONLY or READWRITE label.

D

app.chk_readwrite is called by users or applications when they want to enable the READONLY or READWRITE role.


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更多 “多选题Examine the code:   CREATE ROLE readonly IDENTIFIES USING app.chk_readwrite ; CREATE ROLE readwrite IDENTIFIED USING app.chk_readwrite ;   CREATE OR REPLACE PROCEDURE app.chk_readwrite  AUTHID CURRENT_USER IS  ipchk STRING(30);  BEGIN  IF sys_context(‘USERENV’,’ISDBA’)=’TRUE’  THEN DBMS_SESSION.SET_ROLE‘READWRITE’) ;  ELSE DBMS_SESSION.SET_ROLE(‘READONLY’) ;  END; /   Which three statements correctly describe the Secure Application role definition?()ANo user or application has to remember or hide a password.BIt prevents everyone except a true DBA session from acquiring the READWRITE role.Capp.chk_readwrite is called whenever a user tries to access rows protected by the READONLY or READWRITE label.Dapp.chk_readwrite is called by users or applications when they want to enable the READONLY or READWRITE role.” 相关考题
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考题 单选题You need to perform these tasks: 1. Create and assign a MANAGER role to Blake and Clark 2. Grant CREATE TABLE and CREATE VIEW privileges to Blake and Clark Which set of SQL statements achieves the desired results?()A CREATE ROLE manager; GRANT create table, create view TO manager; GRANT manager TO BLACK, CLARK;B CREATE ROLE manager; GRANT create table, create voew TO manager; GRANT manager ROLE TO BLACK, CLARK;C GRANT manager ROLE TO BLACK, CLARK; GRANT create table, create voew TO BLACK CLARK; ***MISSING***

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考题 多选题Which two statements accurately describe a role?()AA role can be given to a maximum of 1000 users.BA user can have access to a maximum of 10 roles.CA role can have a maximum of 100 privileges contained in it.DPrivileges are given to a role by using the CREATE ROLE statement.EA role is a named group of related privileges that can be granted to the user.FA user can have access to several roles, and several users can be assigned the same role.

考题 多选题When should you create a role?()ATo simplify the process of creating new users using the CREATE USER xxx IDENTIFIED by yyy statement.BTo grant a group of relate privileges to a user.CWhen the number of people using the database is very high.DTo simplify the process of granting and revoking privileges.ETo simplify profile maintenance for a user who is constantly traveling.

考题 单选题You want to create a role to meet these requirements:  1:The role is to be protected from unauthorized usage.  2:The password of the role is not to be embedded in the application source code or stored in a table.  Which method would you use to restrict enabling of such roles()A Create the role with global authentication.B Create the role with external authentication.C Create the role as a secure application role.D Create the role as a password-protected role.E Create a role and use Fine-Grained Access Control (FGAC) to secure the role.