ER diagram and a Relational Schema

Just need a help to get started

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1 Replies - 1822 Views - Last Post: 09 September 2009 - 08:09 PM Rate Topic: -----

#1 dsptl  Icon User is offline

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ER diagram and a Relational Schema

Post icon  Posted 09 September 2009 - 12:56 PM

I dont want answer. I just need to get started. so How do i start?



Design a ER diagram and a relational schema for a message board.

Facts
1. Message board (or category)
2. Messages
3. Message replies
4. Topics
5. Topic replies
6. Topic watch
7. Users

Note:
1. A message must belong to one topic
2. A message board may belong to another message board
3. A topic must belong to one message board
4. A topic can have one or more messages
5. A user can send and receive a message
6. A user can create a topic
7. A user can request a topic watch on a specific topic
8. A user should have identifying features

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Replies To: ER diagram and a Relational Schema

#2 June7  Icon User is offline

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Re: ER diagram and a Relational Schema

Posted 09 September 2009 - 08:09 PM

Actually, you want a lot of answers. What is ER diagram? You should attempt code and when you have specific issues start a thread on that problem.

If you are using Access here is a tutorial link:
http://forums.aspfre...eos-197463.html
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