What to expect from MySQL 5.4?

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MySQL 5.4 has been announced at the opening session of MySQL Conference 2009 and a preview is available for download. This release may look as a compromise between the current 5.1 and the major 6.0 branches, but it includes many (IMHO needed) improvements : Sub-query optimizations A new query algorythms Replication killer features :┬áreplication heartbeat… Read more »