Memcached delete command

The Memcached delete command is used to delete an existing key.

Syntax:

The basic syntax format of delete command is as follows:

delete key [noreply]

Multiple keys are separated by spaces, as follows:

gets key1 key2 key3

Parameter description is as follows:

• key: The key in the key-value structure is used to find cached values.

• noreply (optional) : This parameter tells the server that there is no need to return data

Instance

In the following example, we use php as the key and the expiration time is set to 900 seconds. We then use the delete command to delete the key.

set php 0 900 9
memcached
STORED
get php
VALUE php 0 9
memcached
END
delete php
DELETED
get php
END
delete php
NOT_FOUND

Output

Output information description:

• DELETED: Deletion successful.

• ERROR: Syntax error or deletion failed.

• NOT_FOUND: key does not exist.