Just a heads up: http://dev.mysql.com/doc/refman/5.1/en/memory-storage-engine.html http://dev.mysql.com/doc/refman/5.1/en/memory-storage-engine... The MEMORY s

Just a heads up: http://dev.mysql.com/doc/refman/5.1/en/memory-storage-engine.html http://dev.mysql.com/doc/refman/5.1/en/memory-storage-engine... The MEMORY storage engine (formerly known as HEAP) creates special-purpose tables with contents that are stored in memory. Because the data is vulnerable to crashes, hardware issues, or power outages, only use these tables as temporary work areas or read-only caches for data pulled from other tables.