try:
select s3.name from staff s1, staff s2, staff s3
where s1.id = 1 and s1.reportsto = s2.id and s2.reportsto = s3.id
"Graeme B. Davis" wrote:
>
> I have a staff database which contains a column that has a "reports to"
> field.
>
> If I have a table like this:
>
> ID Name Reports To
> ------------------------
> 1 Graeme 5
> 3 Bob 6
> 5 Sue 3
>
> How can I (in one query) find the next 2 levels of people that Graeme
> reports to?
>
> Ie, I want to get the following from the query when I search for Graeme:
>
> Graeme, Sue, Bob
>
> Is this possible? I presume it would be with a LEFT JOIN, but I can't
> figure out how to change the name of the table for the second JOIN.
>
> Here is my current query:
>
> SELECT S.first, S.last, S.reportsto, staff.first, staff.last,
> staff.reportsto, S2.first, S2.last, S2.reportsto FROM staff AS S, staff AS
> S2 LEFT JOIN staff ON S.reportsto=staff.id WHERE S.first='Graeme' AND
> staff.id=S2.id
>
> Any ideas?
>
> Thanks!
>
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