A database structure that can improve the speed of queries at the cost of disk space and slower inserts/updates. It stores a copy of one or more columns but structures the data differently to allow for faster access.

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MySQL Hanging Completely when `ALTER TABLE… ENABLE KEYS`

I know very little about database administration but I have to deal with some very large tables on my site. This server has 64GB of RAM and Intel Core i7-3820 (4 x 3600 MHz). Most of everything it ...