Provide an Entity-Relationship Model for a motor sport fan, based onthe description in Table 1 on the next page.Present the model in the form of an Entity-Relationship diagram inChen notation. Make sure to identify special attributes (includingkeys) in the diagram and include participation and cardinality con-straint annotations for your relationships. SpecificationA race has a name and must take place at a single race course at aspecific date and at a specific starting time. A race has a certain num-ber of laps (around the race course) and a total length in miles. No tworaces of the same name take place on the same day.A race course has a unique name, a location, and a length in miles.For each driver, we keep the name, consisting of first and last name,nationality, date of birth and a unique driver identifier. Drivers alwaysbelong to a single racing team. We need to find out which driver drovewhich car in which race. We also need to store in which place they ar-rived at the finish (non-finishers are recorded as arrived in 0-th place).Drivers drive at most one car in a race but not all drivers do. There areno driver swaps during a race but at different races different drivers maybe driving the same car. The type of tyres on the car at the start of therace is recorded as well as the car's racing number for that particularrace.Cars have a unique identifier and must belong to a racing team. Themake of the engine of a car is relevant too. Not every car is necessarilydriven in a race.A car may complete a lap of a race in which case the lap time and fuelconsumption are to be recorded. A car may have a pit stop during alap in a race, in which case the duration of the pit stop and the itemsthat have been changed during the pit stop (tyres, front nose, etc.) arerecorded. A car may retire in a lap of a race, in which case the reasonfor the retirement is to be recorded. In all these cases, we need to knowin which lap of which race this occurred.Important aspects of a racing team are its name and the address of theteam's headquarter consisting of postcode, street name, house num-ber. Racing teams may be entered on the database before any driversor cars are assigned to them.

ER Description: 1- What Is ER Diagram: ER, suggests the relationship between one entity to another…

vide an Entity-Relationship Model for a motor sport fan, based on the description in Table 1 on the next page. Present the model in the form of an Entity-Relationship diagram in Chen notation. Make sure to identify special attributes (including keys) in the diagram and include participation and cardinality con- straint annotations for your relationships.

vide an Entity-Relationship Model for a motor sport fan, based on the description in Table 1 on the next page. Present the model in the form of an Entity-Relationship diagram in Chen notation. Make sure to identify special attributes (including keys) in the diagram and include participation and cardinality con- straint annotations for your relationships.

Operations Research : Applications and Algorithms

4th Edition

ISBN:9780534380588

Author:Wayne L. Winston

Publisher:Wayne L. Winston

Chapter19: Probabilistic Dynamic Programming

Section19.4: Further Examples Of Probabilistic Dynamic Programming Formulations

Problem 7P

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A travel company provides a selection of Hotels that prospective customers can reserve prior to booking a room. A customer can select from a range of Accommodation Types that each hotel offers to suit their requirements. Details of the accommodation type include the catering facilities either Self Catering (SC), Half Board (HB); Full Board (FB). The bed type is either Twin bed(T); Double bed(D); Suite(S). The price of the hotel is determined by the hotel and the type of accommodation offered. Assume that • Each hotel is identified by a hotel code. • The accommodation type is identified by a unique accommodation type code. • Accommodation is only available during the month of Sept in 2019. Draw an Entity-Relationship data model for the above scenario neatly.
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