Building a Key-Value Database from Scratch: A Practical Guide

If you were to build your own database today, not knowing that databases exist already, how would you do it?

A key-value database works more or less like objects in JavaScript—you can store values using a key and retrieve them later using that same key

This approach, simple as it is, doesn't actually work very well in practice. The problem lies with the way we're doing updates and deletes

Let's find out how they work!