Removes the specified keys. A key is ignored if it does not exist.
@return
@integer-reply: The number of keys that were removed.
@examples
SET key1 "Hello"
SET key2 "World"
DEL key1 key2 key3
Removes the specified keys. A key is ignored if it does not exist.
@return
@integer-reply: The number of keys that were removed.
@examples
SET key1 "Hello"
SET key2 "World"
DEL key1 key2 key3