Redis stands for REmote DIctionary Server. Redis is an open-source in-memory database which stores the data in the key-value pairs.

For example:- NAME = Ram, here NAME is the key and Ram is the value. In-memory database means that the data is stored in the memory, but the data can also be stored in the disk.

Benefits of Redis
  • in-memory database, therefore, it is swift.
  • Uses the data structure to store the data
  • Supports data replication
  • Can be used as a cache system as well as the database.
BY Best Interview Question ON 17 Feb 2019