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From Vic Ricker <...@ricker.us>
Subject Re: "generated by default" question
Date Fri, 16 Jun 2006 05:10:51 GMT
Daniel Noll wrote:
> 
> Ah.  I was making the assumption that the indexes were implemented 
> "properly."  For instance, an index should keep a certain amount in 
> memory in order to have a reasonable chance of running quickly.  So the 
> max and min should already be in-memory.
> 
> I take it that Derby doesn't do this?


The column doesn't necessarily have to have an index or even be unique. 
    An insert will only fail when there's a unique constraint on the 
column and the sequence generator returns a value that's already been 
used.


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