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| Modeling question... | 25 Nov 2008 17:41 GMT | 94 |
Not sure if this is the right group but I've come across a problem I'm at a loss to model properly. Here's the setup: A model contains three entities ("Level"s) describing projects: - Project Family records, each referencing several
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| Why is database integrity so impopular ? | 10 Nov 2008 16:06 GMT | 36 |
When time comes to build transactional databases (as opposed to data wharehouses), I belong to the school that STRONGLY believe in normalizing data with high integrity mechanisms. I know all the performance cons but IMHO, pros largely overwhelme.
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| design question | 07 Nov 2008 20:45 GMT | 20 |
I would appreciate your advice about the design of the following schema: We have a database of products and we know that: - a product is of a certain type
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| We claim that delete anomality is due to table not being in 3NF, but... | 07 Nov 2008 01:48 GMT | 18 |
Uh, I've been away for the weekend but some new questions about normalization non the less popped up ( it seems every time I give a thought about the subject, a new question arises ). I hope you don't mind if I ask some more, cause there's no way I can figure out this
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| Object oriented database | 06 Nov 2008 01:09 GMT | 48 |
I am looking for people who have an interest in object oriented databases, primarily to share ideas or to find out end-user requirements. I am currently working on an object oriented database product, which
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| Few confusing things about first normal form | 01 Nov 2008 13:28 GMT | 17 |
1) For DB to be in 1NF there must be no multi-valued attributes, and no repeating groups. When so, data is said to be atomic. One site claims that even first name and last name must be featured in separate columns, but some other sites did put both first name and last name
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