Should now work with FreeBSD 3.0 if used with FreeBSD-3.0-libc_r-1.0.diff, which can be found at http://www.mysql.com/downloads/os-freebsd.html.
Added new -O tmp_table_size=# option to mysqld.
New function FROM_UNIXTIME(timestamp) which returns a date string in 'YYYY-MM-DD HH:MM:SS' format.
New function SEC_TO_TIME(seconds) which returns a string in 'HH:MM:SS' format.
New function SUBSTRING_INDEX(), originally by Zeev Suraski.