• DEL:-if the key exists then it deletes the key

              Syntax:- redis> DEL KEY_NAME

  • EXISTS:-this checks whether the key exists or not

              Syntax:- redis> EXISTS KEY_NAME

  • EXPIRE:- this sets the expiry date of the key after the specified time

              Syntax:- redis> Expire KEY_NAME TIME_IN_SECONDS

  • TTL:-this shows the time remaining in the keys expiry
  • RANDOMKEY:-this returns the random key

              Syntax:- redis> RANDOMKEY

  • TYPE:-this return the data type of the value which is stored in the key
  • KEYS pattern:- this return the keys which match with the mentioned pattern
BY Best Interview Question ON 17 Feb 2019