- Hashes are list of fileds and value pair
- Represented as
- field1:value1, field2:value2, filed3:value3
- They are similar to JSON object
- Represents mapping relationship between fields and values
- Elements in hashes
- are string
- fileds with their values
- Hashes are schemaless
- Hashes can contain more than 4 billion elements
Use case
- User Information
- name
- location
- Schemless situvation
- Example Object wholes fileds(attributes and values) are not decided
HGET / HSET / HGETALL
HMGET
HLEN
HDEL
HEXIST
HKEYS
HVALS
HINCRBY
HRANDFIELD
