Answer
SELECT OwnerFirstName, OwnerLastName, PetName, PetType, PET_3.PetBreed, AverageLifeExpectancy
FROM PET_OWNER JOIN PET_3 ON
PET_OWNER.OwnerID = PET_3.OwnerID
JOIN BREED ON PET_3.PetBreed = BREED.BreedName
WHERE PET_3.PetBreed != 'Unknown'
Work Step by Step
N/A