The Redis DEL command is used to remove the specified keys. A key is ignored if it does not exist.
Integer Reply : Number of keys that were removed.
Return Value Type
Example : Redis DEL
First, create a key in redis and set some value in it. and then delete the created keys.
127.0.0.1:6379> SET key "Good" OK 127.0.0.1:6379> SET key1 "Morning" OK 127.0.0.1:6379> DEL key key1 key2 (integer) 2
Solve these problems: