What is the difference between Redis and database?

How is Redis different from a database?

The difference is that developers who use Redis can use a simple command structure as opposed to the query languages of traditional databases. For example, you can use the Redis hash data structure to move data to a data store with only one line of code.

Is Redis considered a database?

Everyone knows Redis began as a caching database, but it has since evolved to a primary database. Many applications built today use Redis as a primary database. However, most Redis service providers support Redis as a cache, but not as a primary database.

Why Redis is not used as database?

As Redis is an in-memory storage, you cannot store large data that won't fit you machine's memory size. Redis usually work very bad when the data it stores is larger than 1/3 of the RAM size. So, this is the fatal limitation of using Redis as a database.

What is the difference between Redis and MySQL?

While MySQL supports the XML data format, Redis does not. When concerning indexes, both allow them. However, MySQL supports secondary indexes without any restrictions while Redis only supports secondary indexes with the RediSearch module.