Tinyint vs Bit?

Question

I don\'t want to touch-off a religious war here, but there seem to be two schools of thoughts in how to represent boolean values in a database. Some say bit is

Answer 1

I don't think I saw it mentioned above, but there's the issue of not being able to aggregate BIT columns (e.g. MIN, MAX, and especially SUM). I just tested using 2008 and the issue is still there. That's the biggest reason I use tinyint lately - the other being I like how tinyint scales - it's always a pain when your "two-value" bit flag suddenly needs more possible values.