Fonctionnalités ajoutées ou modifiées :
Optimization 1: Improved performance on index scans. Measured 30% performance increase on query which do large amounts of index scans.
Optimization 2: Improved performance on primary key lookups. Around double performance for autocommitted primary key lookups.
Optimization 3: Improved performance when using blobs by avoiding usage of exclusive locks for blobs.
Bogues corrigés :
A few bugs fixed.
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.