Ask a Question
  
  
  
Top Posters
Since Sunday
7
6
6
5
5
5
4
4
4
4
4
4
New Topic  
wrote...
Posts: 29
Rep: 0 0
6 days ago
Suppose you have created a data model for an airline based on a variety of forms, reports, user interviews, data sources, etc. Your client comes forward with a new desired report that includes passenger weights and a relationship between passengers and employees, neither of which is in your E-R diagram. You should ________.

• create a new, separate E-R diagram with just the new information

• add the relationship and the weight attribute to the existing data model

• add the relationship but not the weight attribute

• add the weight attribute but not the relationship
Source  Download Study Guide
Database Processing: Fundamentals, Design, and Implementation
Edition: 15th
Authors:
Read 2 times
3 Replies
Replies
Answer verified by a subject expert
wrote...
Posts: 25
Rep: 6 0
6 days ago
Sign in or Sign up in seconds to unlock everything on Biology Forums.
add the relationship and the weight attribute to the existing data model
1
Related Topics
wrote...
6 days ago
Thank you
wrote...
6 days ago
Welcome ツ
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers.
Learn More
Improve Grades
Help Others
Save Time
Accessible 24/7
  92 People Browsing
 203 Signed Up Today
Related Images
 981
 115
 59
Your Opinion