Redis STRING data type

redis-string.rb

127.0.0.1:6379> SET foo bar # Setting foo with value bar
OK
127.0.0.1:6379> GET foo  # Getting value at key foo
"bar"
127.0.0.1:6379> GET chandan  # Getting a non-set value. Returns nil
(nil)
127.0.0.1:6379> DEL chandan  # Deleting a non-set key. Returns nil
(integer) 0
127.0.0.1:6379> SET chandan faodail # Setting a new key-value (Note: All downcased letters in key)
OK
127.0.0.1:6379> DEL foo # Deleting an existing key. Returns 1
(integer) 1
127.0.0.1:6379> GET foo # Getting deleted key-value. Returns nil
(nil)
127.0.0.1:6379> GET chandan # Getting value at key chandan (Note: All downcased letters)
"faodail"
127.0.0.1:6379> GET Chandan  # NOTE the CASE-SENSITIVE Key, fetching value for Chandan as nil
(nil)