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Q. Draw/create a ER diagram that is not copied from internet instead drawn through ur own idea for any organization hospital, bank, airport or anything A sample for better idea of er diagram is attached below

Q. Draw/create a ER diagram that is not copied from internet instead drawn through ur own idea for any organization hospital, bank, airport or anything A sample for better idea of er diagram is attached below

Database System Concepts
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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Q. Draw/create a ER diagram that is not copied from internet instead drawn through ur own idea for any organization hospital, bank, airport or anything

A sample for better idea of er diagram is attached below 

Alternative Notations for ER Diagrams • There are many alternative diagrammatic notations for displaying ER diagrams. we introduce the Unified Modeling Language (UML) notation for class diagrams, which has been proposed as a standard for conceptual object modeling. Figure 7.15 ER diagrams for the company schema, with structural con- straints specified using (min, max) notation and role names. Fname Minit Lname Bdate Name Address Salary Ssn Sex Locations WORKS_FOR (4,N) (1,1) Employee Number Name Department Start_date Number_of_employees EMPLOYEE DEPARTMENT Department Managed (0,1) Manager (0,N) Controlling Department (1,1) MANAGES CONTROLS Hours (1,N) Worker Controlled (0,N) Supervisor (0,1) Supervisee (1,1) Project Project (1,N) WORKS_ON PROJECT SUPERVISION (0,N) Employee Name Location Number DEPENDENTS_OF (1,1) || Dependent DEPEND ENT Name Sex Birth_date Relationship
Transcribed Image Text:Alternative Notations for ER Diagrams • There are many alternative diagrammatic notations for displaying ER diagrams. we introduce the Unified Modeling Language (UML) notation for class diagrams, which has been proposed as a standard for conceptual object modeling. Figure 7.15 ER diagrams for the company schema, with structural con- straints specified using (min, max) notation and role names. Fname Minit Lname Bdate Name Address Salary Ssn Sex Locations WORKS_FOR (4,N) (1,1) Employee Number Name Department Start_date Number_of_employees EMPLOYEE DEPARTMENT Department Managed (0,1) Manager (0,N) Controlling Department (1,1) MANAGES CONTROLS Hours (1,N) Worker Controlled (0,N) Supervisor (0,1) Supervisee (1,1) Project Project (1,N) WORKS_ON PROJECT SUPERVISION (0,N) Employee Name Location Number DEPENDENTS_OF (1,1) || Dependent DEPEND ENT Name Sex Birth_date Relationship
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