Consider the following relations to answer Question.Manufacturer (ManufacturerId, MName, DateOfBirth, Gender MAddress, AwardWon)Part (PartNo, PName, Description, ManufacturerId)Order (PartNo, OrderNo, OrderQuantity, OrderedDate, CustomerId)Customer (CustomerId, Email, CName, CAddress, Job, TotalNoOfCustomers)What is/are the most suitable participation constraint (s) to describe has relationship between Order and Part relations?(multiple answers)Select one or more:a.There is partial participation of Order in has relationship.b.There is total participation of Order in has relationship.c.There is total participation of Order with Part.d.There is partial participation of Part in has relationship.e.There is total participation of Part in has relationship.
Question
Consider the following relations to answer Question.Manufacturer (ManufacturerId, MName, DateOfBirth, Gender MAddress, AwardWon)Part (PartNo, PName, Description, ManufacturerId)Order (PartNo, OrderNo, OrderQuantity, OrderedDate, CustomerId)Customer (CustomerId, Email, CName, CAddress, Job, TotalNoOfCustomers)What is/are the most suitable participation constraint (s) to describe has relationship between Order and Part relations?(multiple answers)Select one or more:a.There is partial participation of Order in has relationship.b.There is total participation of Order in has relationship.c.There is total participation of Order with Part.d.There is partial participation of Part in has relationship.e.There is total participation of Part in has relationship.
Solution
The most suitable participation constraints to describe the "has" relationship between Order and Part relations would be:
b. There is total participation of Order in has relationship. d. There is partial participation of Part in has relationship.
Explanation:
b. An order must be associated with at least one part, hence there is total participation of Order in the "has" relationship.
d. A part may or may not be associated with an order, hence there is partial participation of Part in the "has" relationship.
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