What would be faster?

[Thomas Baggelaar]

// OPTION 1:

SELECT id, title, type, source
FROM ads_banners
WHERE live = 1
AND ads_zones_id = 1
AND id >= (SELECT FLOOR(MAX(id) * RAND())
FROM ads_banners
WHERE live = 1
AND ads_zones_id = 1)
ORDER BY id
LIMIT 1


// OPTION 2:

SELECT id, title, type, source
FROM ads_banners
WHERE live = 1
AND ads_zones_id = 1
ORDER BY RAND()
LIMIT 1