<br /><br /> Oliveiros C, wrote: <blockquote cite="mid:1EF7ADDE66AA4D4E8E7EB2021CAD6CBB@marktestcr.marktest.pt"
type="cite"><style></style><div><fontface="Arial" size="2">Hello, Justin, Gary.</font></div><div> </div><div><font
face="Arial"size="2">Justin, your (the second one) query is not much different from mine.</font></div></blockquote> No
itsnot, <br /><blockquote cite="mid:1EF7ADDE66AA4D4E8E7EB2021CAD6CBB@marktestcr.marktest.pt" type="cite"><div><font
face="Arial"size="2"> You previewed the possibility of having orders without any matching entry on orders_log with
yourleft join, something that I haven't. Gary, will you have</font></div><div><font face="Arial" size="2">records on
yourorders table that don't reference any record on your orders_log table? If so, Justin's query is the right one you
shoulduse.</font></div><div> </div><div><font face="Arial" size="2">You return the full record from orders and an
additionalcolumn from orders_log, the ol_timestamp column. I understood that Gary wanted the full record from
orders_log,not</font></div><div><font face="Arial" size="2">just the timestamp column. That part is done by my subquery
.</font></div><div> </div><div><fontface="Arial" size="2"> I think Gary could clarify what he wants exactly. Gary?
:)</font></div></blockquote>Yes gary please do if these do not answer your questions???<br /><blockquote
cite="mid:1EF7ADDE66AA4D4E8E7EB2021CAD6CBB@marktestcr.marktest.pt"type="cite"><div> </div><div><font face="Arial"
size="2">Also,Justin, your query design seems right to me, but maybe you should add this (the part in comment) to your
subquery</font></div><div>SELECT MAX(ol_timestamp) /* as ol_timestamp */ , o_id FROM orders_log group by o_id
</div><div>becausethe MAX(ol_timestamp) will receive the name max, not ol_timestamp, and probably</div><div>the parser
willcomplain that column ol_timestamp does not exist.</div><div>Ain't I right?</div></blockquote><br /> Yes you are
correcti forgot to add the AS <br />