Given the following ERD for a Project Management Application - 2.1) Identify (write down) all relationships and their cardinality and write the corresponding business rules. 2.2) Show the relational schema for the database. Make sure to clearly indicate primary keys and foreign keys (be careful on this part, FK’s need to Support the Cardinality you listed in Q2.1).
Given the following ERD for a Project Management Application - 2.1) Identify (write down) all relationships and their cardinality and write the corresponding business rules. 2.2) Show the relational schema for the database. Make sure to clearly indicate primary keys and foreign keys (be careful on this part, FK’s need to Support the Cardinality you listed in Q2.1).
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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Question 2: ERD Analysis
Given the following ERD for a Project Management Application -
2.1) Identify (write down) all relationships and their cardinality and write the corresponding business rules.
2.2) Show the relational schema for the
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Question 2: ERD Analysis
Given the following ERD for a Project Managemect Application -
Manager_ld
Last_name
Skill Id
First_name
Skill_name
Manager
Skills
Skill pay
Manages
Has
Project
平
tH Employee
Works On
Emp Id
Project Id
Project_name
Project_cost
Emp_first_name
Emp_start_date) (Emp_last_name
2.1) Identify (write down) all relationships and their cardinality and write the corresponding business
rules.
2.2) Show the relational schema for the database. Make sure to clearly indicate primary keys and
foreign keys (be careful on this part, FK's need to Support the Cardinality you listed in Q2.1).
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