Re: return records with more than one occurrences

Hi,

this is a good point to start.

select t2.* from table2 t2
inner join (
select id from table1
group by id
having count(*) > 1
) t1 on t2.id_table1 = t1.id

2011/1/5 Tarsis Lima <tarsis(dot)lima(at)gmail(dot)com>

> how would the SELECT to return only records with more than one
> occurrences of id_table1? example:
> -- Table1
> -- id --
> -------------------------
> 1
> 2
>
>
> -- Table2
> id --- | id_table1 | name
> ----------------------------------------------
> 4 ---- | ----- 1 ------ | Tom
> 5 ---- | ----- 1 ------ | Luci
> 6 ---- | ----- 2 ------ | Cleber ------>this can not return
>
>
>
>
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