practice test question...
Date: Tue, 13 Mar 2001 00:00:58 GMT
Message-ID: <_qdr6.22279$p66.7679598_at_news3.rdc1.on.home.com>
Hi there,
I have a test Friday in my Database Systems class. The prof gave us a
practise
test with this question. He's not taking anything up and I'm really stuck.
I've gotten as far as what's included, but everytime I try to expand the
answer
it looks wrong.
Could you help?
- Entites TEXTBOOK (ISBN[PRIMARY KEY], BOOKNAME, AUTHOR, AFF_NUM[FORIEGN KEY --A.TABLE], YEAR. COST (SUPPLEMENT)[REPEATING GROUP])
Keep track of textbook features to be evaluated (content coverage, ease of
reading,
There is a requirement to identify the textbooks being evaluated for
different subject
I have concluded that I must add an attribute to the textbook table to
identify what
I don not know how to take care of the repeating group. I had thought that
perhaps I
Thank you,
Patrick Rutherford.
Received on Tue Mar 13 2001 - 01:00:58 CET
exercises, cost), the weights (1-3) associated with each of these features
and
the evaluation number (1-10) scored for each feature of a particular
textbook.
areas (example: systems analysis and design; database systems; C++
programming)
subject the book falls under. ( If that's right? )
should create an entity SUPPLEMENT but from there I get stuck as to what to
include.
Also, I don't know how best to set up an entity for the review.