On 17-11-10 10:00, luuk34 wrote:
> On 17-11-10 09:58, Bart Smissaert wrote:
>> What do you suggest should be the full SQL then?
>>
> select t1.patient_id
> from table1 t1
> join (
> select table1.address,
> min( table1.date_of_birth ) as date_of_birth
> from table1
> group by table1.address
> )
> as t2
> ON t2.address = t1.address
> and t2.date_of_birth = t1.date_of_birth
>
i forgot the link:
http://www.sqlite.org/syntaxdiagrams.html#join-constraint
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