On 2006-09-19, [EMAIL PROTECTED] <[EMAIL PROTECTED]> wrote: > Different UUID forms can be unique within their domain. As long as I > control the MAC address assignment for all of my units, my MAC address > can be guaranteed to be unique across space and time,
You do not know (and can never know) that no-one else is using the same MAC address. Anyone with substantial experience in networking will tell you that the supposed "uniqueness" of manufacturer-assigned MACs is often a myth, with (in extreme cases) entire batches of NICs being manufactured with the same assigned MAC. -- Andrew, Supernews http://www.supernews.com - individual and corporate NNTP services ---------------------------(end of broadcast)--------------------------- TIP 9: In versions below 8.0, the planner will ignore your desire to choose an index scan if your joining column's datatypes do not match
