Question
James Morgan keeps a table of data about the stores from which he purchases. The stores are located in different countries and have different specialties.
James Morgan keeps a table of data about the stores from which he purchases. The stores are located in different countries and have different specialties. Consider the following relation:
STORE (StoreName, City, Country, OwnerName, Specialty)
Explain the conditions under which each of the following is true:
StoreName -> City
City -> StoreName
City -> Country
(StoreName, Country) -> (City, OwnerName)
(City, Specialty) -> StoreName
OwnerName -> -> StoreName
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Database 101
Authors: Guy Kawasaki
1st Edition
0938151525, 978-0938151524
