According to the manual "the value of key_len enables you to determine how many parts of a multiple-part key MySQL actually uses."
However, it doesn't specify quite how one can determine that. It _looks_ like the number of bytes in the key (or key part) that is used - is that correct? TIA, James Harvard -- MySQL General Mailing List For list archives: http://lists.mysql.com/mysql To unsubscribe: http://lists.mysql.com/[EMAIL PROTECTED]
