Here is the start of a query for pulling out travel requirements for conference attendees.

SELECT P.last_name, P.first_name,
CPT.arrival_from,
CPT.arrival_to,
CPT.need_accommodation
FROM conference_person_travel CPT, conference_person CP, conference C, person P
WHERE CPT.need_accommodation
AND CPT.conference_person_id = […]

I just bought and downloaded memtestosx.

Last login: Sun Jan 8 16:14:10 on ttys001
[dan@dent:~] $ /Volumes/memtest_422/memtest/memtest ; exit;

Memtest version 4.22 (64-bit)
Copyright (C) 2004 Charles Cazabon
Copyright (C) 2004-2008 Tony Scaminaci (Macintosh port)
Licensed under the GNU General Public License version 2 only

NOTE: No command-line arguments have been specified
Using defaults: Test all available memory, one test […]