Avatar of dshi15
dshi15Flag for United States of America asked on

Identifying relationship vs Mandatory non Identifying relationship

Hi Expert,

I'm confused for those two relationships, please explain,

Attached a file.


thanks in advance.
Doc1.docx
DatabasesMicrosoft SQL ServerMicrosoft SQL Server 2008

Avatar of undefined
Last Comment
oleggold

8/22/2022 - Mon
oleggold

Identifying relationship is manadatory  rel. that has to be present in both parent and child and that other attributes of the both entities rely on
oleggold

oleggold

Experts Exchange is like having an extremely knowledgeable team sitting and waiting for your call. Couldn't do my job half as well as I do without it!
James Murphy
oleggold

oleggold

oleggold

Get an unlimited membership to EE for less than $4 a week.
Unlimited question asking, solutions, articles and more.
ASKER CERTIFIED SOLUTION
oleggold

Log in or sign up to see answer
Become an EE member today7-DAY FREE TRIAL
Members can start a 7-Day Free trial then enjoy unlimited access to the platform
Sign up - Free for 7 days
or
Learn why we charge membership fees
We get it - no one likes a content blocker. Take one extra minute and find out why we block content.
See how we're fighting big data
Not exactly the question you had in mind?
Sign up for an EE membership and get your own personalized solution. With an EE membership, you can ask unlimited troubleshooting, research, or opinion questions.
ask a question
oleggold

in the ex. above both can be mandatory ,1 is non-identifying