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Old 08-02-2007, 01:54 PM
Marco van Herwaarden Marco van Herwaarden is offline
 
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An in MEMORY (HEAP) table is cleared on each restart of the MySQL server and not suitable for permanent storage (hence why vB only uses HEAP for session tables).

You can find various articles that include information on how to use the datastore, one of them: Cache System Explanation (datastore)

PS Using the datastore can reduce the number of queries as vBulletin already read all needed rows from the table.
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