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From MySQL Version 3.23, you can use the TEMPORARY keyword when you create a table. The temporary table is visible only to the current connection, and will be deleted automatically when the connection is closed. This means that two different connections can both use the same temporary table name without conflicting with each other or with an existing table of the same name. (The existing table is hidden until the temporary table is deleted.) From MySQL 4.0.2 on, you must have the CREATE TEMPORARY TABLES privilege to be able to create temporary tables.
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не става, тя си е само за сесията на конкецията :)