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2) FLIGHT (passenger, phone#, flight#, seat#, departure-place, departure-time) The values of attributes of a relational table FLIGHT satisfy the following properties: a passenger has one phone number, a passenger books seats on many different flights, the attributes flight#, seat#, and departure place uniquely identify ea passenger, only one flight takes of from a given departure place at a given departure time. 3) TRUCK (registration#, type, owner, driver, date-used) The values of attributes of a relational table TRUCK satisfy the following properties: a truck has a unique registration number, a truck has only one owner, a truck is used only once per day, an owner owns many trucks and driver uses many trucks. - - - 4) EMPLOYE (employee #, skill, project) The values of attributes of a relational table EMPLOYEE satisfy the following properties: an employee has many skills, an employee participates in many projects, a skill is possessed by many employees, a project is implemented by many employees.

2) FLIGHT (passenger, phone#, flight#, seat#, departure-place, departure-time) The values of attributes of a relational table FLIGHT satisfy the following properties: a passenger has one phone number, a passenger books seats on many different flights, the attributes flight#, seat#, and departure place uniquely identify ea passenger, only one flight takes of from a given departure place at a given departure time. 3) TRUCK (registration#, type, owner, driver, date-used) The values of attributes of a relational table TRUCK satisfy the following properties: a truck has a unique registration number, a truck has only one owner, a truck is used only once per day, an owner owns many trucks and driver uses many trucks. - - - 4) EMPLOYE (employee #, skill, project) The values of attributes of a relational table EMPLOYEE satisfy the following properties: an employee has many skills, an employee participates in many projects, a skill is possessed by many employees, a project is implemented by many employees.

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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2) FLIGHT (passenger, phone#, flight#, seat#, departure-place, departure-time) The values of attributes of a relational table FLIGHT satisfy the following properties: a passenger has one phone number, a passenger books seats on many different flights, the attributes flight#, seat#, and departure place uniquely identify each passenger, only one flight takes of from a given departure place at a given departure time. (registration# , type, owner, driver, date-used) 3) TRUCK The values of attributes of a relational table TRUCK satisfy the following properties: a truck has a unique registration number, a truck has only one owner, a truck is used only once per day, an owner owns many trucks and driver uses many trucks. 4) EMPLOYE (employee#, skill, project) The values of attributes of a relational table EMPLOYEE satisfy the following properties: an employee has many skills, an employee participates in many projects, a skill is possessed by many employees, a project is implemented by many employees.
Transcribed Image Text:2) FLIGHT (passenger, phone#, flight#, seat#, departure-place, departure-time) The values of attributes of a relational table FLIGHT satisfy the following properties: a passenger has one phone number, a passenger books seats on many different flights, the attributes flight#, seat#, and departure place uniquely identify each passenger, only one flight takes of from a given departure place at a given departure time. (registration# , type, owner, driver, date-used) 3) TRUCK The values of attributes of a relational table TRUCK satisfy the following properties: a truck has a unique registration number, a truck has only one owner, a truck is used only once per day, an owner owns many trucks and driver uses many trucks. 4) EMPLOYE (employee#, skill, project) The values of attributes of a relational table EMPLOYEE satisfy the following properties: an employee has many skills, an employee participates in many projects, a skill is possessed by many employees, a project is implemented by many employees.
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