Please write the answer next to the correct number i.e 23. A Some answers are se

Question

Please write the answer next to the correct number i.e 23. A

Some answers are selected, but im not sure if they are correct or not.

Question 3 (2 points) Given the following excerpt of an E-R diagram: If one instance of ENTITY B must be related to one and only one instance of ENTITY A,and one instance of ENTITY A may be related to many instances of ENTITY B, which of the following should be written on the end of the relationship line next to ENTITY B in the figure above? ENTITY B ENTITY B ENTITY B ENTITY B

Explanation / Answer

6) Here the relationship should be 1:1 as mentioned one customer can have just one order and one order can be placed by just one customer.

9) The trip would be an entity as this constitue of many attributes and includes flight and hotel information where identifier will be a reservation number.

15) A minimum cardinality of required is the correct option as to place an order a customer is required.

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