Paul Giesenhagen wrote:
> You could create a database like this:
> 
> ID|USERID|SONGID
> 1    1            222
> 2    1            443
> 3    1            9494
> 4    2            999
> 5    2            443 etc...

Leave out the ID field and use a composite primary key on both userid 
and songid. Add a constraint that limits the amount of occurences of a 
userid to 40 and you are set to go.

Jochem

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