> Chris, > Is it faster if you remove the 'IS NOT NULL'? I know that's not the >
> results > you want, but we have found that is NOT NULL will do a full scan. But we > normally use it with a join. Since you are using one table, I'm not sure > how it would affect it. > > Donny This is an interesting point. This may be off topic, but I work with a guy who has an allergic reaction to NULLs in database fields. It is his opinion that a "proper" database design would set default values for every field. If MySQL truly does a full scan for NOT NULL, it would seem that my co-worker is correct. Being new to MySQL (and databases in general), I was wondering what the rest of you thought about this topic. -Erich- -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
