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).
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
Related questions
Question
![Given the following ERD for a Project Management Application-
Managerig
Lastname
First_name
Skal name
Managet
Skils
Skill pay
Manages
Has
木
木
Project
Works On
本
Employee
Emp ld
Project_name
Project cost
Emp frst_name
Emp start_date
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).
木](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F698a49e8-0bb8-4028-95ab-e067ab56fca9%2Fcffde84d-79f2-4c09-94a3-cc369ab1cc71%2F0m22of_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Given the following ERD for a Project Management Application-
Managerig
Lastname
First_name
Skal name
Managet
Skils
Skill pay
Manages
Has
木
木
Project
Works On
本
Employee
Emp ld
Project_name
Project cost
Emp frst_name
Emp start_date
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).
木
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