Redis Documentation

Welcome to the Redis documentation! Redis is an open-source, in-memory data structure store used as a database, cache, and message broker. It supports various data structures such as:

• Strings
• Hashes
• Lists
• Sets
• Sorted sets
• Bitmaps
• Hyperloglogs
• Geospatial indexes with radius queries

In this documentation, we'll cover basic commands and functionalities of Redis using the provided PowerShell commands. 🚀💡

Getting Started

First, make sure you have Docker installed on your system to run Redis in a containerized environment.

Install Docker

Follow the instructions on the official Docker website to install Docker on your system: https://docs.docker.com/get-docker/

Table of Contents

1. Introduction to Redis 🌟
2. SET and GET Commands 🔧
3. SETNX Command 🛡️
4. MSET and MGET Commands 🚀
5. LPUSH and LPOP Commands 🔄
6. SADD Command ➕
7. ZADD and ZRANGE Commands 📊
8. HSET Command 🏷️
9. PUBLISH Command 📢
10. SUBSCRIBE Command 📡

Introduction to Redis

Redis is a powerful, open-source, in-memory data structure store known for its performance and versatility. It supports various data structures like strings, hashes, lists, sets, and more, making it ideal for caching, real-time analytics, messaging queues, and much more.

SET and GET Commands

• SET: Set a key to hold a string value.

  127.0.0.1:6379> SET name shubham
  OK

• GET: Get the value of a key.

  127.0.0.1:6379> GET name
  "shubham"

SETNX Command

• SETNX: Set the value of a key, only if the key does not exist.

  127.0.0.1:6379> SETNX user:4 Ayush NX
  OK

MSET and MGET Commands

• MSET: Set multiple keys to multiple values in a single atomic operation.
• MGET: Retrieve the values of multiple keys.

  127.0.0.1:6379> MSET id:1 "hey" id:2 "hello"
  OK
  127.0.0.1:6379> MGET id:1 id:2
  1) "hey"
  2) "hello"

LPUSH and LPOP Commands

• LPUSH: Add one or more values to the beginning of a list.
• LPOP: Remove and return the first element of a list.

  127.0.0.1:6379> LPUSH messages hey
  (integer) 1
  127.0.0.1:6379> LPOP messages
  "hey"

SADD Command

• SADD: Add one or more members to a set.

  127.0.0.1:6379> SADD ip 1
  (integer) 1

ZADD and ZRANGE Commands

• ZADD: Add one or more members to a sorted set.
• ZRANGE: Return a range of members in a sorted set.

  127.0.0.1:6379> ZADD no 1 shubham
  (integer) 1
  127.0.0.1:6379> ZRANGE no 0 -1
  1) "shubham"

HSET Command

• HSET: Set fields in a hash stored at a specified key.

  127.0.0.1:6379> HSET bike:1 model Deimos brand Ergonom type 'Enduro bikes' price 4972
  (integer) 4

PUBLISH Command

• PUBLISH: Publish a message to channels.

  127.0.0.1:6379> PUBLISH notifications hey
  (integer) 1

SUBSCRIBE Command

• SUBSCRIBE: Subscribe to channels.

  127.0.0.1:6379> SUBSCRIBE notifications
  1) "subscribe"
  2) "notifications"
  3) (integer) 1

Congratulations! You have successfully learned some basic Redis commands and functionalities. Redis offers a wide range of features for managing and manipulating data efficiently. Explore further to unlock the full potential of Redis in your applications.

🚀 Happy coding with Redis! 🎉