Can I query Redis?

Can you query Redis cache?

In situations where page level caching doesn't work or won't be effective, caching database queries is a great alternative. We can use Redis to set and get a hash value with saved query values, and return those values instead of hitting the database.

Can you use SQL with Redis?

Spark-Redis library allows you to use the DataFrame APIs to store and access Redis data. In other words, you can insert, update and query data using SQL commands, but the data is internally mapped to Redis data structures.

How do I run a Redis query?

To start Redis client, open the terminal and type the command redis-cli. This will connect to your local server and now you can run any command. In the above example, we connect to Redis server running on the local machine and execute a command PING, that checks whether the server is running or not.

How do I view Redis database?

A Redis server has 16 databases by default. You can check the actual number by running redis-cli config get databases. In interactive mode, the database number is displayed in the prompt within square braces. For example, 127.0. 0.1:6379[13] shows that the 13th database is in use.