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
- Introduction to Redis 🌟
- SET and GET Commands 🔧
- SETNX Command 🛡️
- MSET and MGET Commands 🚀
- LPUSH and LPOP Commands 🔄
- SADD Command ➕
- ZADD and ZRANGE Commands 📊
- HSET Command 🏷️
- PUBLISH Command 📢
- 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! 🎉
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