Redis Hash Commands

1	HDEL key field2 [field2]
Deletes one or more hash fields.

2	HEXISTS key field
Determines whether a hash field exists or not.

3	HGET key field
Gets the value of a hash field stored at the specified key.

4	HGETALL key
Gets all the fields and values stored in a hash at the specified key

5	HINCRBY key field increment
Increments the integer value of a hash field by the given number

6	HINCRBYFLOAT key field increment
Increments the float value of a hash field by the given amount

7	HKEYS key
Gets all the fields in a hash

8	HLEN key
Gets the number of fields in a hash

9	HMGET key field1 [field2]
Gets the values of all the given hash fields

10	HMSET key field1 value1 [field2 value2 ]
Sets multiple hash fields to multiple values

11	HSET key field value
Sets the string value of a hash field

12	HSETNX key field value
Sets the value of a hash field, only if the field does not exist

13	HVALS key
Gets all the values in a hash

14	HSCAN key cursor [MATCH pattern] [COUNT count]
Incrementally iterates hash fields and associated values