18 Questions
What is a characteristic of roles in Oracle databases?
Roles can require a password for activation.
In Oracle Database 10g, which role grants most system privileges?
DBA
What is the significance of the CONNECT role in Oracle databases?
It is automatically granted to users created with Enterprise Manager.
Which role in Oracle allows the creation of jobs and management of the scheduler?
SCHEDULER_ADMIN
Can roles in Oracle databases be revoked from users?
Yes, roles can be revoked like system privileges.
Which role in Oracle is not associated with system privileges but has over 1,700 object privileges on the data dictionary?
SELECT_CATALOG_ROLE
Which statement about profiles is correct?
Profiles control resource consumption and manage account status and password expiration for users.
How can you assign a quota to a user?
By modifying the user's profile using the ALTER PROFILE command.
Which statement about user authentication is true?
User authentication is a process separate from roles and profiles.
Which of the following password security measures can be controlled through profiles?
All of the above
What is the relationship between privilege roles and profiles?
Privilege roles grant privileges, while profiles manage resource limits and password security.
Which statement about the CONNECT role is correct?
All of the above are correct.
Which statement accurately describes the purpose of roles in Oracle Database?
Roles simplify privilege management by allowing the grouping of related privileges.
If the privileges associated with a role are modified, what happens to the users who have been granted that role?
The users acquire the modified privileges automatically and immediately.
Which SQL statement is used to grant a role to a user?
GRANT role_name TO user_name;
What is the purpose of the ALTER PROFILE command in Oracle Database?
To modify the resource limits and password parameters for a user profile.
Which statement accurately describes password security best practices in Oracle Database?
Passwords should be complex, changed frequently, and never reused.
How can roles be temporarily disabled or enabled in Oracle Database?
By using the ALTER ROLE statement to enable or disable the role.
Learn about the benefits of using roles for privilege management, including easier privilege management, dynamic privilege management, and selective availability of privileges. Understand how roles can simplify the process of granting and modifying privileges for multiple users.
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