Which of the following command is used to set the data, if the data hasn't been updated since the last retrieve?

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Memcached is a general-purpose distributed memory-caching system written using C language. It is often used to speed up dynamic database-driven websites by caching data and objects in RAM to reduce the number of times an external data source must be read. Memcached is free and open-source software, licensed under the Revised BSD license. Memcached vs Redis: Redis uses a single core and shows better performance than Memcached in storing small datasets when measured in terms of cores. Memcached implements a multi-threaded architecture by utilizing multiple cores. Thus, for storing larger... Show more

Which of the following command is used to set the data, if the data hasn't been updated since the last retrieve?