NoSQL injections in MongoDB with Node.js. This article shows how a Node.js application based on Express and using MongoDB can be vulnerable to NoSQL injections

Redis is a key-value in memory data store typically used for caches and other such mechanisms to speed up web applications. We however store all our data in Redis as our primary database.

After 8 years of working on high-volume web sites, I’ve seen a lot of interesting scaling techniques. While it’s true that very specific…

Contribute to the-little-redis-book development by creating an account on GitHub.

Basic proficiency with PostgreSQL is one of the highest-leverage skills an engineer can have. Even a cursory understanding of its internals…

It is my absolute pleasure to present you with this guest post by Brandur Leach, redis-cell‘s author and winner of the 1st place in the Redis Modules Hackathon. The module is an efficient implementation of a rate limiter that can be used, for example, to…

A list of back-end related questions you can be inspired from to interview potential candidates, test yourself or completely ignore - arialdomartini/Back-End-Developer-Interview-Questions

For many years MySQL and PostgreSQL were competing databases, which addressed slightly different audiences. Here's why you always should go for PostgreSQL!

Five years ago I wrote a post that got some good attention on why you should use Postgres. Almost a year later I added a bunch of things I missed. Many of those items bear repeating, and I’ll recap a few of those in the latter half of this post. But in the…

MongoDB is hosting its annual developer conference in Chicago this week and no good developer conference would be complete without a few product launches.

Your database knows which queries are running. It also has a pretty good idea of which indexes are best for a given query. And since…

Structured Query Language (SQL) is an indispensable skill in the data science industry and generally speaking, learning this skill is…

After years of being left for dead, SQL today is making a comeback. How come? And what effect will this have on the data community?

Making sure columns contain what they ought

Writing a sqlite clone from scratch in C