The new syntax
SELECT ... LOCK IN SHARE
MODE is introduced.
InnoDB now calls
fsync() after every disk write and
calculates a checksum for every database page it writes or
reads, which will reveal disk defects.
Several bug fixes.
This is a translation of the MySQL Reference Manual that can be found at dev.mysql.com. The original Reference Manual is in English, and this translation is not necessarily as up to date as the English version.