06 ERD_Extra_Example Problems

06 ERD_Extra_Example Problems - Start_date Pol_Desc Premium...

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Draw an ERD JoeCo’s car insurance company issues insurance policies to car owners. Each policy holder has a unique ID as well as a name, address, and phone number. Each vehicle owned by a policy holder requires its own separate policy. Each policy has a unique ID. Some other important information kept on file about policies includes the starting date of the policy, the monthly premium, and a description of the terms and conditions of the policy.
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JoeCo’s ERD Vehicle V_ID(PK) V_Desc Policy PolicyNo(PK) Start_date Pol_Desc Premium Policy Holder P_ID(PK) P_Name P_Address P_Phone owns insured by
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JoeCo’s ERD (with cardinalities) Vehicle V_ID(PK) V_Desc Policy PolicyNo(PK)
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Unformatted text preview: Start_date Pol_Desc Premium Policy Holder P_ID(PK) P_Name P_Address P_Phone owns insured by Sporting Event Tickets • Each student may buy two sets of tickets. • Each ticket contains information for the section, row and seat, as well as date. • Each game can have many tickets. • Some sports have women’s and men’s teams. Sporting Event Tickets Student SSN(PK) LName FName Game Opponent(PK) Sport(PK) W/M(PK) Ticket TicketNo(PK) Section Row Seat Date buys for Sporting Event Tickets ( with cardinalities ) Student SSN(PK) LName FName Game Opponent(PK) Sport W/M Ticket TicketNo(PK) Section Row Seat Date buys for...
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This document was uploaded on 02/17/2012.

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06 ERD_Extra_Example Problems - Start_date Pol_Desc Premium...

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