When a server shuts down and restarts, its
MEMORY
tables become empty. To replication
this effect to slaves, the first time that the master uses a
given MEMORY
table after startup, it logs an
event that notifies the slaves that the table needs to be
emptied by writing a DELETE
statement for that table to the binary log. See
Section 13.9, “The MEMORY
(HEAP
) Storage Engine”, for more information
about MEMORY
tables.
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