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A- determine the type of relationships (generally) between: - orderNo : itemNo - date : orderNo B- Find out the functional dependencies FD's of the relation Orders. C- Create a Data Base whose tables are in 2NF.

A- determine the type of relationships (generally) between: - orderNo : itemNo - date : orderNo B- Find out the functional dependencies FD's of the relation Orders. C- Create a Data Base whose tables are in 2NF.

Computer Networking: A Top-Down Approach (7th Edition)
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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THIRD QUESTION : A company places orders for items. Each order is placed on a given date, and may include a variety of items in different quantities. The following table shows a sample of Orders. Orders ( orderNo , itemNo , itemDescription, date , quantity) Orders : orderNo itemNoitemDescription Date quantity 01 6.2.2019 100 6.2.2019 9.3.2019 9.3.2019 9.3.2019 Il Screw 01 12 Hammer 50 02 13 Pin 10 02 12 Hammer 40 02 II Screw 80 HINTS: - The primary key of Orders is defined as { orderNo, itemNo} - The relation Orders is in 1NF. A- determine the type of relationships (generally) between: - orderNo : itemNo - date : orderNo B- Find out the functional dependencies FD's of the relation Orders. C- Create a Data Base whose tables are in 2NF.
Transcribed Image Text:THIRD QUESTION : A company places orders for items. Each order is placed on a given date, and may include a variety of items in different quantities. The following table shows a sample of Orders. Orders ( orderNo , itemNo , itemDescription, date , quantity) Orders : orderNo itemNoitemDescription Date quantity 01 6.2.2019 100 6.2.2019 9.3.2019 9.3.2019 9.3.2019 Il Screw 01 12 Hammer 50 02 13 Pin 10 02 12 Hammer 40 02 II Screw 80 HINTS: - The primary key of Orders is defined as { orderNo, itemNo} - The relation Orders is in 1NF. A- determine the type of relationships (generally) between: - orderNo : itemNo - date : orderNo B- Find out the functional dependencies FD's of the relation Orders. C- Create a Data Base whose tables are in 2NF.
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