the requirements for TAL Distributors have changed. A number and a name now identify each storehouse. Units of each item may be stored in multiple storehouses, and it is important to know precisely how many items are stored in each storehouse. In addition, TAL Distributors now want to manage information about the suppliers from which it purchases items. For each item, TAL Distributors needs to know the number and name of each supplier as well as the expected lead time for delivering each item. (Lead time is the amount of time a supplier is expected to take to deliver the item after TAL Distributors has ordered it.) Each item can have many suppliers, and each supplier can supply many items. Using this information, convert the following unnormalized relation to fourth normal form:

Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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 the requirements for TAL Distributors have changed. A number and a name now identify
each storehouse. Units of each item may be stored in multiple storehouses, and it is important
to know precisely how many items are stored in each storehouse. In addition, TAL Distributors
now want to manage information about the suppliers from which it purchases items. For each
item, TAL Distributors needs to know the number and name of each supplier as well as the
expected lead time for delivering each item. (Lead time is the amount of time a supplier is
expected to take to deliver the item after TAL Distributors has ordered it.) Each item can have
many suppliers, and each supplier can supply many items. Using this information, convert the
following unnormalized relation to fourth normal form:

Item (ItemNum, Description, Category, Price, (StorehouseNum, StorehouseName,
OnHand), (SupplierNum, SupplierName, LeadTime))
Transcribed Image Text:Item (ItemNum, Description, Category, Price, (StorehouseNum, StorehouseName, OnHand), (SupplierNum, SupplierName, LeadTime))
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