Question: PLEASE ANSWER for 1 0 0 % . I MUST ACHIEVE A 1 0 0 ON THIS ASSIGNMENT. Instructions ( Chapter 5 , Minicase 1
PLEASE ANSWER for I MUST ACHIEVE A ON THIS ASSIGNMENT.
Instructions
Chapter Minicase Happy Cruise Lines
a Look at the Happy Cruise Lines database of Chapter Minicase but, for this
question, consider only the following SHIP, PORT, and PASSENGER relations. The
company wants to keep track of which passengers visited which ports on which ships
on which dates. Reconstruct this relationship and add additional relations if needed
to store this information. Hint: the problem describes a ternary relationship among
these three relations. An additional relation is needed to represent the ternary
relationship. Construct that new relation give it a name, with its necessary
attributesPrimaryforeign keys
B Consider the following data from the SHIP and CRUISE relations of the Happy
Cruise Lines database of Chapter Minicase.
SHIP Relation
CRUISE Relation
b What relationship is it between SHIP and CRUISE relations?
b What would happen if:
The delete rule between the SHIP and CRUISE relations is restrict and an
attempt is made to delete the record for ship number in the SHIP relation?
The delete rule between the SHIP and CRUISE relations is restricted, and an
attempt is made to delete the record for ship number in the SHIP relation.
The delete rule between the SHIP and CRUISE relations is cascade and an
attempt is made to delete the record for ship number in the SHIP relation?
The delete rule between the SHIP and CRUISE relations is cascade and an
attempt is made to delete the record for ship number in the SHIP relation?
The delete rule between the SHIP and CRUISE relations is settonull and an
attempt is made to delete the record for ship number in the SHIP relation?
The delete rule between the SHIP and CRUISE relations is settonull and an
attempt is made to delete the record for ship number in the SHIP relation
Step by Step Solution
There are 3 Steps involved in it
1 Expert Approved Answer
Step: 1 Unlock
Question Has Been Solved by an Expert!
Get step-by-step solutions from verified subject matter experts
Step: 2 Unlock
Step: 3 Unlock
