Nicolas Williams wrote:
> On Fri, Feb 22, 2008 at 09:24:06AM -0700, Dennis Cote wrote:
>   
>> As Nicolas said, SQL:1999 defines a standard method of doing this. It 
>> uses a WITH RECURSIVE clause as a prefix to a SELECT. It hasn't been 
>> widely implemented, but I believe that IBM's DB2 supports this mechanism.
>>     
>
> Ah, good to know.  Would there be interest in supporting that in SQLite?
> I think it'd be very useful (particularly given the populatiry of XML).

I could be mistaken, however, I believe that recursive triggers or 
recursive selects would be highly useful as a substitute for enforcing 
referential integrity, especially cascading deletes.


John
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