Explain the disadvantages of creating a temporary table, Database Management System

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Explain the disadvantages of creating a temporary table?

If you have already created a temporary table with a shown name and attempting to create a second one with that name results in an error.
Persistent connections: may accomplishn't to drop the temporary table because the connection is let open for the use of

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when a client program automatically reconnects after a dropped connection, you'll be modifying the original table after the reconnect

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