For each of the following, explain why or why not a relation is in a particular normal form, underline primary keys and indicate which fields are foreign keys and which relation they are keys into.

1.PetStore(storeBranchName, storeAddr, storeManager,(customerName, customerAddr, customerPhone,(petName, petBreed, petSex, price) ) )

FDs storeBranchName storeAddr, storeManager customerName customerAddr, customerPhone customerName, petName petBreed, petSex customerName,storeBranchName petName petBreed price

a. Is this relation in 1NF? If not, why isn't it? Then put it in 1NF.

b. Is this relation in 2NF? If not, why isn't it? Then put it in 2NF.

c. Is this relation in 3NF? If not, why isn't it? Then put it in 3NF.

2.R(A,B,C,D,E)

Fds

A A,B,C

C D

A,C E

a. Is this relation in 1NF? Why or why not? If not, put it into 1NF.

2b. Is it now in 2NF? Why or why not? If not, put it into 2NF

2c. Is it now in 3NF? Why or why not? If not, put it into 2NF.

3.price(product,sName,uPrice,qty,storeLocation,unitWeight)

Fds

product, sname qty

sName storeLocation

product uprice, unitWeight

a. Is this relation in 1NF? If not, why isn't it? Then put it in 1NF.

b. Is this relation in 2NF? If not, why isn't it? Then put it in 2NF.

c. Is this relation in 3NF? If not, why isn't it? Then put it in 3NF.

4.person(personId, name, country,(phone, type))

FDs

personId name, country, phone

name country

phone type

a. Is this relation in 1NF? If not, why isn't it? Then put it in 1NF.

b. Is this relation in 2NF? If not, why isn't it? Then put it in 2NF.

c. Is this relation in 3NF? If not, why isn't it? Then put it in 3NF.

5.carTheft(VID,vehicleType,(ownerID,ownerName),

(suspectId,suspectName))

FDs

VID vehicleType, ownerID

ownerId ownerName

suspectID suspectName

a. Is this relation in 1NF? If not, why isn't it? Then put it in 1NF.

b. Is this relation in 2NF? If not, why isn't it? Then put it in 2NF.

c. Is this relation in 3NF? If not, why isn't it? Then put it in 3NF.