[1] carRepair.dia 00.00 date description 1 techID techName mentor Mentors supID supName Supervisor N Writes IN Report About Technician mentee 1 Oversees M VIN regNum N Certified N level Car 1 Has IN ServiceOrder M Contains N Job make model year orderNum jobID phNum mileage custName date jobName cost

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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Convert each one of the diagram into a skeleton relational database schema. 

  • Express every relation in the form: R (A, B, C, D, E); Underline a primary key for each relation.

  • Write the attributes of a composite key adjacent to each other – just like A, B in R (A, B, C, D E

[1]
carRepair.dia
00.00
date
description
1
techID
techName
mentor
supID
Mentors
supName
Supervisor
N
Writes
N
Report
About
Technician
mentee
1
Oversees
M
VIN
regNum
N
Certified
N
level
Car
1
Has
IN
ServiceOrder
M
Contains
N
Job
make
model
year
orderNum
jobID
phNum
mileage
custName
date
jobName
cost
Transcribed Image Text:[1] carRepair.dia 00.00 date description 1 techID techName mentor supID Mentors supName Supervisor N Writes N Report About Technician mentee 1 Oversees M VIN regNum N Certified N level Car 1 Has IN ServiceOrder M Contains N Job make model year orderNum jobID phNum mileage custName date jobName cost
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