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mysqladmin -uroot -p123456 create testdb
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https://launchpad.net/memcached-udfs
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http://www.libing.name/2009/02/06/mysql-map-data-to-memcached.html
http://www.libing.name/2008/02/26/mysql-map-memcached.html
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1.SET GLOBAL event_scheduler = ON;
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start transaction;
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http://imysql.cn/2007_10_15_large_innodb_table_export_import
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