Memcached – Increment Decrement Data Memcached incr and decr commands are used to increment or decrement the numeric value of an existing key. If the key is not found, then it returns NOT_FOUND. If the key is not numeric, then it returns CLIENT_ERROR cannot increment or decrement non-numeric value. Otherwise, ERROR is returned. Syntax – […]

Memcached – Delete Key Memcached delete command is used to delete an existing key from the Memcached server. Syntax The basic syntax of Memcached delete command is as shown below − delete key [noreply] Output CAS command may produce one of the following result − DELETED indicates successful deletion. ERROR indicates error while deleting data […]

Memcached – Append Data Memcached append command is used to add some data in an existing key. The data is stored after the existing data of the key. Syntax The basic syntax of Memcached append command is as shown below − append key flags exptime bytes [noreply] value The keywords in the syntax are as […]