Welcome back! We've covered how to connect to Redis, work with numbers, and handle lists. Now, it's time to explore another crucial data structure in Redis: hashes. Hashes are used to store related pieces of information in a single key, making them perfect for representing objects like user profiles or configurations.

In this lesson, you will learn how to:

1. Use the hset command to store fields and values in a Redis hash.
2. Retrieve data from a hash using the hgetall command.

Let's look at an example:

In this example:

• The hset command adds the fields username and email to the hash user:1000.