Our friend Vivy realizing that his wallcovering business had a few wrinkles in it, decided to pursue a law degree at night. After graduating, he has teamed up with Lily to form Vivy & Lily, Attorneys at Law. Vivy and Lily have hired you to design a database system based upon the following set of business rules. It is in your best interest to perform a thorough analysis, to avoid needless litigation. Draw an Entity Relationship Diagram (ERD) based upon the following set of rules: • An ATTORNEY is retained by one or more CLIENTS. • Attributes of ATTORNEY are: Attorney_ID, Name, City, State, Zip_Code, Specialty (may be more than one) • A CLIENT may have more than one ATTORNEY. • Attribute of CLIENT are Client_ID, Name, Address, City and State. • A CLIENT may have more than one CASE. Each CASE belongs to only one CLIENT. • Attributes of CASE are Case_ID, Case_Description, Case_Type. • An ATTORNEY may have more than one CASE. Each CASE belongs to only one ATTORNEY. • Each CASE is assigned to one and only one COURT. A COURT may be assigned to many CASES. • Attributes of COURT are Court_ID, Court_Name, City, State. • Each COURT has one or more JUDGES assigned to it. • Attributes of JUDGE are Judge_ID, Name, Years in Practice. • Each JUDGE is assigned to exactly one court.
Our friend Vivy realizing that his wallcovering business had a few wrinkles in it, decided to pursue a law degree at night. After graduating, he has teamed up with Lily to form Vivy & Lily, Attorneys at Law. Vivy and Lily have hired you to design a database system based upon the following set of business rules. It is in your best interest to perform a thorough analysis, to avoid needless litigation. Draw an Entity Relationship Diagram (ERD) based upon the following set of rules: • An ATTORNEY is retained by one or more CLIENTS. • Attributes of ATTORNEY are: Attorney_ID, Name, City, State, Zip_Code, Specialty (may be more than one) • A CLIENT may have more than one ATTORNEY. • Attribute of CLIENT are Client_ID, Name, Address, City and State. • A CLIENT may have more than one CASE. Each CASE belongs to only one CLIENT. • Attributes of CASE are Case_ID, Case_Description, Case_Type. • An ATTORNEY may have more than one CASE. Each CASE belongs to only one ATTORNEY. • Each CASE is assigned to one and only one COURT. A COURT may be assigned to many CASES. • Attributes of COURT are Court_ID, Court_Name, City, State. • Each COURT has one or more JUDGES assigned to it. • Attributes of JUDGE are Judge_ID, Name, Years in Practice. • Each JUDGE is assigned to exactly one court.
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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