Since MAC addreses also contain letters, BIGINT wouldn't work. So, yes, I would say go with CHAR(12).
On May 14, 2009 9:43 AM, "Ilia KATZ" <ik...@dane-elec.co.il> wrote: Hi. Currently I have a table: 1. MAC address defined as BIGINT 2. MAC address set as primary key Should I consider changing it to CHAR(12)? Replies will be appreciated. Ilia
