Mattias,

> which one is the biggest datatype:
> enum('true', 'false');    OR
> tinyint(1);
> I mena biggest when it comes to store them on disk.

ENUM has a storage requirement of 1 or 2 bytes. If you have up to 256
ENUM values to choose from, you need 1 byte, if you have more, it will
take 2 bytes. TINYINT will always need 1 byte.

http://www.mysql.com/doc/en/Storage_requirements.html

Regards,
--
  Stefan Hinz <[EMAIL PROTECTED]>
  iConnect GmbH <http://iConnect.de>
  Heesestr. 6, 12169 Berlin (Germany)
  Telefon: +49 30 7970948-0  Fax: +49 30 7970948-3

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