TYPE key

Returns the string representation of the type of the value stored at key. The different types that can be returned are: string, list, set, zset, hash and stream.

@return

@simple-string-reply: type of key, or none when key does not exist.

@examples

redis> SET key1 "value"
TBD
redis> LPUSH key2 "value"
TBD
redis> SADD key3 "value"
TBD
redis> TYPE key1
TBD
redis> TYPE key2
TBD
redis> TYPE key3