SELECT ... WHERE key=@var_name OR key=@var_name2
InnoDB keys to 500 bytes.
InnoDB now supports NULL in keys.
SELECT RELEASE_LOCK().
DO expression,[expression]
slave-skip-errors option.
SHOW STATUS is
now much longer.)
InnoDB tables.
GROUP BY expr DESC works.
t1 LEFT JOIN t2 ON t2.key=constant.
mysql_config now also works with binary (relocated) distributions.