Skip to main content
ubuntuask.com

Back to all posts

How to Create Database In Redis?

Published on
4 min read
How to Create Database In Redis? image

Best Redis Database Tools to Buy in November 2025

1 Redis in Action

Redis in Action

BUY & SAVE
$34.99
Redis in Action
2 Redi-Edge Dog Tag Knife Sharpener, Small

Redi-Edge Dog Tag Knife Sharpener, Small

  • MILITARY-GRADE DURABILITY FOR TOUGH ENVIRONMENTS AND LONG-LASTING USE.
  • RAZOR SHARP PRECISION ENSURES A DURABLE EDGE EVERY TIME.
  • PORTABLE DESIGN FITS EASILY ON KEYCHAINS FOR ON-THE-GO SHARPENING.
BUY & SAVE
$21.17 $22.79
Save 7%
Redi-Edge Dog Tag Knife Sharpener, Small
3 Redi Shade No Tools Original Light Filtering Pleated Paper Shade White, 36" W x 72" L, 6 Pack

Redi Shade No Tools Original Light Filtering Pleated Paper Shade White, 36" W x 72" L, 6 Pack

  • EFFORTLESS LIGHT CONTROL FOR PRIVACY AND UV PROTECTION.
  • CORDLESS DESIGN ENSURES SAFETY AND A SLEEK APPEARANCE.
  • DURABLE PAPER WON’T YELLOW, PERFECT FOR ANY ENVIRONMENT.
BUY & SAVE
$24.98
Redi Shade No Tools Original Light Filtering Pleated Paper Shade White, 36" W x 72" L, 6 Pack
4 Redi Shade No Tools Original Blackout Pleated Paper Shade Black, 36" W x 72" L, 6 Pack

Redi Shade No Tools Original Blackout Pleated Paper Shade Black, 36" W x 72" L, 6 Pack

  • BLOCK 99% OF LIGHT FOR ULTIMATE PRIVACY AND UV PROTECTION.
  • CORDLESS DESIGN ENSURES SAFETY AND A SLEEK, CLEAN APPEARANCE.
  • EASY, NO-TOOLS INSTALLATION FOR VERSATILE WINDOW TREATMENT OPTIONS.
BUY & SAVE
$29.97
Redi Shade No Tools Original Blackout Pleated Paper Shade Black, 36" W x 72" L, 6 Pack
5 Redi-Edge Portable Knife Sharpener - Red Pocket knife Sharpener with Duromite Sharpening Elements - Honing Rod with 20° Double Edge for Kitchen, Home & Hunting - Compact Travel Knife Honing Rod

Redi-Edge Portable Knife Sharpener - Red Pocket knife Sharpener with Duromite Sharpening Elements - Honing Rod with 20° Double Edge for Kitchen, Home & Hunting - Compact Travel Knife Honing Rod

  • KEEP YOUR BLADES RAZOR-SHARP ANYTIME, ANYWHERE WITH EASE!
  • DURABLE STAINLESS STEEL ENSURES LONG-LASTING, RELIABLE PERFORMANCE.
  • COMPACT DESIGN FITS EASILY IN POCKETS OR BAGS FOR ON-THE-GO USE.
BUY & SAVE
$26.51
Redi-Edge Portable Knife Sharpener - Red Pocket knife Sharpener with Duromite Sharpening Elements - Honing Rod with 20° Double Edge for Kitchen, Home & Hunting - Compact Travel Knife Honing Rod
6 Redi-Edge Tactical Knife Sharpener - Military-Grade Pocket knife Sharpener with Duromite Sharpening Elements - Honing Rod with 40° Double Edge for Kitchen & Hunting - Compact Travel Knife Honing Rod

Redi-Edge Tactical Knife Sharpener - Military-Grade Pocket knife Sharpener with Duromite Sharpening Elements - Honing Rod with 40° Double Edge for Kitchen & Hunting - Compact Travel Knife Honing Rod

  • ACHIEVE A PERFECT 40° EDGE FOR ALL YOUR KNIVES, ANYTIME, ANYWHERE!
  • DURABLE STAINLESS STEEL ENSURES LONG-LASTING SHARPENING PERFORMANCE.
  • COMPACT AND PORTABLE DESIGN FOR EASY TRAVEL AND OUTDOOR ADVENTURES.
BUY & SAVE
$18.32
Redi-Edge Tactical Knife Sharpener - Military-Grade Pocket knife Sharpener with Duromite Sharpening Elements - Honing Rod with 40° Double Edge for Kitchen & Hunting - Compact Travel Knife Honing Rod
7 ACTINTOOL Mastic Glue Removing Redi Lock Tungsten Scraper for Husqvarna Floor Grinder (Redi Lock) (Pack of 3 pcs)

ACTINTOOL Mastic Glue Removing Redi Lock Tungsten Scraper for Husqvarna Floor Grinder (Redi Lock) (Pack of 3 pcs)

  • AGGRESSIVE MASTIC REMOVAL WITHOUT GUMMING UP LIKE METAL TOOLS.
  • COMPATIBLE WITH HUSQVARNA GRINDERS FOR SEAMLESS INTEGRATION.
  • DURABLE, REPLACEABLE INSERTS WITH ADJUSTABLE DIRECTION FOR VERSATILITY.
BUY & SAVE
$125.00
ACTINTOOL Mastic Glue Removing Redi Lock Tungsten Scraper for Husqvarna Floor Grinder (Redi Lock) (Pack of 3 pcs)
+
ONE MORE?

To create a database in Redis, you can use the SELECT command followed by the index of the desired database. By default, Redis has 16 databases numbered from 0 to 15. For example, to select the database at index 0, you can use the command SELECT 0. Once you have selected a database, you can start storing and managing data within that specific database. It's important to note that Redis is an in-memory data structure store and the databases are isolated from each other, meaning data stored in one database will not be accessible from another database.

What is the difference between Redis replication and clustering?

Redis replication involves creating identical copies of data across multiple Redis instances to ensure data availability and fault tolerance. Replication is primarily used for read scalability and high availability, but does not provide automatic sharding or scaling of write operations.

On the other hand, Redis clustering is a different approach that involves horizontally scaling Redis by partitioning data across multiple Redis nodes. Clustering allows for automatic sharding and distribution of data across multiple nodes, providing better write scalability compared to replication. Clustering also provides more robust fault tolerance mechanisms compared to replication, as data is distributed across multiple nodes in a cluster.

In summary, replication is primarily used for read scalability and high availability, while clustering is used for horizontal scaling, automatic sharding, and improved fault tolerance.

How to store data in Redis?

There are a few ways to store data in Redis:

  1. Key-Value Store: Redis is a key-value store, so the most common way to store data is by using a key to access a specific value. You can use commands like SET and GET to store and retrieve data, respectively.
  2. Data Structures: Redis supports various data structures like strings, lists, sets, and hashes. You can store data in these data structures using commands like LPUSH for lists, SADD for sets, and HSET for hashes.
  3. Pub/Sub System: Redis also supports a publish/subscribe system, where you can publish messages to channels and subscribe to them to receive messages. This can be used to store data in a distributed manner and broadcast updates to multiple clients.
  4. Expire Keys: You can set an expiration time for keys in Redis using the EXPIRE command. This allows you to automatically delete data after a certain period of time, which can be useful for caching or temporary data storage.

Overall, Redis provides a flexible and efficient way to store data using various data structures and commands.

How to authenticate in Redis?

In Redis, authentication can be enabled by setting a password in the Redis configuration file. This password needs to be provided by clients when they connect to the Redis server in order to access the data. Here are the steps to authenticate in Redis:

  1. Set a password in the Redis configuration file (redis.conf) by adding the following line:

requirepass your_password

Replace "your_password" with the actual password you want to use for authentication.

  1. Restart the Redis server to apply the changes made in the configuration file.
  2. Connect to the Redis server using a Redis client and provide the password using the following command:

redis-cli -h host_name -p port_number -a your_password

Replace "host_name" and "port_number" with the actual host and port of your Redis server, and "your_password" with the password set in the configuration file.

  1. Once you provide the correct password, you will be able to execute commands and access data in the Redis server.

It's important to note that enabling authentication provides an additional layer of security for your Redis instance, so it is recommended to use strong and unique passwords to protect your data.