Technically
AI Reference
Your dictionary for AI terms like LLM and RLHF
Company Breakdowns
What technical products actually do and why the companies that make them are valuable
Learning Tracks
In-depth, networked guides to learning specific concepts
Posts Archive
All Technically posts on software concepts since the dawn of time
Terms Universe
The dictionary of software terms you've always wanted

Explore learning tracks

AI, it's not that ComplicatedAnalyzing Software CompaniesBuilding Software ProductsWorking with Data Teams
Loading...
I'm feeling luckyPricing
Log In
← Back to Universe

Relational database

databasesbeginner

A relational database is sort of like Excel, but for developers: it’s how applications store and analyze data.  

Relational databases like MySQL and PostgreSQL are the default software for storing data. Relational DBs are all about schemas: rules for how data is stored and organized. You usually query these databases with SQL, a type of programming language that lets you pull and analyze the data in your relational DB.

Relational database

Read the full post ↗

What's a relational database?

How most developers store and analyze application data.

Read in the Knowledge Base →

Mentioned in

Why do developers choose different types of databases?

An intro to how companies like Elastic, MongoDB, Snowflake, Confluent and AWS compete.

Category Breakdowndatabases
The not-engineer's guide to building Technically

All the technical concepts we leaned on to build the web app

Appliedweb-apps
The Excel User's Guide to Databases: Migrations

Why your feature is held up by a migration and why this is actually good.

Applieddatabases
The Beginner's Guide to Databases

There are 300+ databases; what do they all do?

Foundationaldatabases

Related terms

Blockchain

Database

GraphQL

Metadata

Migration

Multi-tenant

Impress your agents

70K+ PMs, engineers, investors, and operators read to Technically to expand their prompting vocabulary.

Content
  • All Posts
  • Learning Tracks
  • AI Reference
  • Companies
  • Terms Universe
Company
  • Pricing
  • Sponsorships
  • Contribute
  • Contact
Connect
SubscribeSubstackYouTubeXLinkedIn
Legal
  • Privacy Policy
  • Terms of Service

© 2026 Technically.