Re: need some help

BlackEagle wrote:

> Hi everyone,
> I've started to build a database and I have a question.
> I'm going to use this db for creating form applications.
> It's about making reservations in a gym.
> Every reservation will be done by the customer.(it's a self-service thing)
> So I'll be using a system with login's. (userid-password)
> The problem is, our teacher said that we have to use something special,
> creating our db (a constraint eg)...
> I've been searching on the net but couldn't find anything useful.
> I would like to ask you guys, if someone knows some difficult, not wellknown
> constraints, other functions or links where I can find something like that .
> Thanx in advance.

Go to:
http://www.psoug.org/reference/constraints.html [Quoted] and you will find lots of information on creating constraints.

Also check out http://tahiti.oracle.com.

HTH

-- 
Daniel Morgan
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damorgan_at_x.washington.edu
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