Go Premium for a chance to win a PS4. Enter to Win

x
?
Solved

Tuple/Domain Calculus

Posted on 2011-03-05
2
Medium Priority
?
436 Views
Last Modified: 2012-05-11
I'm not looking for any direct answers.

Can you give me any help with how to give the answer to part a in this problem using tuple and domain relational calculus?
6.18.png
Library.png
0
Comment
Question by:JCW2
2 Comments
 
LVL 15

Accepted Solution

by:
derekkromm earned 2000 total points
ID: 35044982
you have a BOOK_COPIES table, so you want the No_of_copies from that table
join to LIBRARY_BRANCH on Branch_id where Branch_name = "Sharpstown"
join to BOOK on Book_id where Book_name = "The Lost Tribe"

0
 

Author Closing Comment

by:JCW2
ID: 35046483
Thank you for your help.
0

Featured Post

Industry Leaders: We Want Your Opinion!

We value your feedback.

Take our survey and automatically be enter to win anyone of the following:
Yeti Cooler, Amazon eGift Card, and Movie eGift Card!

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

In this blog post, we’ll look at how using thread_statistics can cause high memory usage.
Instead of error trapping or hard-coding for non-updateable fields when using QODBC, let VBA automatically disable them when forms open. This way, users can view but not change the data. Part 1 explained how to use schema tables to do this. Part 2 h…
Video by: Steve
Using examples as well as descriptions, step through each of the common simple join types, explaining differences in syntax, differences in expected outputs and showing how the queries run along with the actual outputs based upon a simple set of dem…
This is a high-level webinar that covers the history of enterprise open source database use. It addresses both the advantages companies see in using open source database technologies, as well as the fears and reservations they might have. In this…

876 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question