Redis Keys are basic string that uniquely identify the record in Inm emory database.

Key is of a unique value for every value stored in Dictionary of Redis.

key: value;

Data in Redis retrieve by Keys only. Keys are unique

How to Create Redis Keys

Keys must have a value

How many keys are in Redis?

Redis supports storing keys upto 2 ^ 32 keys

How to check Key exists in Redis

exists command used to check and returns integer - 0 or 1.

exists key


  • 0 : for Key does not exists
  • 1 : for Key exists