E-R diagram
HW2 – Partb:
For this example, you can draw E-R diagram in two different ways — with or without weak entity.
If you want to draw it without weak entity make sure — that entity has it’s own unique identifier.
You can use candidate key (e.g., cust_name, cust_addr) as a unique identifier.
In the diagram you can make two attributes as unique identifier (candidate key) by underlining both attribute. Example is attached (Refer to JPG or VSD file).
Collepals.com Plagiarism Free Papers
Are you looking for custom essay writing service or even dissertation writing services? Just request for our write my paper service, and we'll match you with the best essay writer in your subject! With an exceptional team of professional academic experts in a wide range of subjects, we can guarantee you an unrivaled quality of custom-written papers.
Get ZERO PLAGIARISM, HUMAN WRITTEN ESSAYS
Why Hire Collepals.com writers to do your paper?
Quality- We are experienced and have access to ample research materials.
We write plagiarism Free Content
Confidential- We never share or sell your personal information to third parties.
Support-Chat with us today! We are always waiting to answer all your questions.
