SELECT s.source, s.version, s.install_date, u.uid
FROM source s JOIN fingerprint f ON (s.sig_fpr = f.id)
JOIN uid u ON (f.uid = u.id)
SELECT s.source, s.version, s.install_date, u.uid
FROM source s JOIN fingerprint f ON (s.sig_fpr = f.id)
JOIN uid u ON (f.uid = u.id)