Oracle
1Z0-554 · Question #40
1Z0-554 Question #40: Real Exam Question with Answer & Explanation
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Question
Considering the inheritance depicted in the image above, how would you add functionality for reading and updating all of the appropriate attributes for each type of user?
Exhibit
Options
- ACreate a view object that defines a query as SELECT User.NAME, Users.Phone, Users.MailingAddress,
- BCreate a view object based on userEO, EmployeeEO, and CustomerEO.
- CCreate a view object for UserEO and select EmployeeEO, and CustomerEO as subtypes.
- DCreate three object, one for each user type. Create view links between USerVO.
- ECreate a view object for UserEO. Define UserType as a discriminator and supply a default value.
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