chester c young wrote: <blockquote cite="mid:624694.72418.qm@web54303.mail.re2.yahoo.com" type="cite"><blockquote
type="cite"><prewrap="">create table access (name text, address ip)
I want to construct a SELECT statement which will return ONLY tuples
containing IP and name pairs IF there is an IP that has two or more
NAMEs associated with it.
</pre></blockquote><pre wrap="">
many ways:
select a1.* from access a1 where exists( select 1 from access a2 where a2.name=a2.name and a1.ip!=a2.ip );
select a1.*
from access a1
join access a2 using( name )
where a1.ip != a2.ip;
</pre></blockquote> Those will return single entries as well (which is easy to do with an "ORDER BY", that is
computationallysimpler)<br /><br /> What I want (and can't figure out) is a SELECT that returns ONLY tuples with two or
moreNAME entries that have the same IP.<br /><br /> -- Karl<br />