Which OOP concept describes the relationship between Nation and President, where Nation has a President object?

153. In the network model, the one to many relationship is denoted by a. 1:N b. 1:M c. 2:M d. 3:M

The participation of the weak entity in its relationship with the strong entity that defines it is Select one: O a. Exact Participation O b. Partial Participation O c. Soft Participation O d. Total Participation

What is an associative entity (also called an association entity)? What is an association relationship? Give an example of an association relationship other than one shown in this text. Illustrate your answer using an IE Crow’s Foot E-R diagram.

create one domain class diagram Use Case 1 Use Case Name: Self-service check in for road test Main Flow:   Driver System 1 Requests to check in for road test. Prompts for scanning driver’s license. 2 Scans driver’s license. Searches driver’s information using the scanned driver’s license number, displaying driver’s full name, license number, expiry date, type of license, and booked road test information (date, time and location of the road test). Prompts for confirmation. 3 Confirm to check in. (*1) Records the check in by changing the road test status to checked-in; adds the driver into the waiting list for road tests. Alternate Flows   Alternate Flow Description A1 Some information displayed is not correct. Driver will not confirm the check in and system will prompts the driver to go to a clerk for help.

In this use case, online forum operations are explained. Draw a use case diagram in accordance with the given ones.

The names and gender of various people are indicated below:Male: Fred, TomFemale: Ann, Mary, SueDraw a conceptual schema diagram based on this choice

Draw EER diagram based on these business rules Customers can only make a reservation for themself and their invited guests. A customer may not make a reservation for other people including such as reselling rooms. A customer cannot use Park Hyatt website to reserve room related to any commercial activity. A customer need to provide the ID card or passport. A customer must check-in after 4 p.m. A customer must check-out before 12 p.m. A customer may select room before do the reservation. A customer can do online payment by credit card or pay while during check-in. A staff must check the customer ID card or passport.

Make it this schema diagram to ER diagram