Correlated Subqueries Explained: From Confusing to Intuitive
Hey everyone! 👋 It's been a while since I posted here. Over the past few days, I've been revisiting SQL from the ground up—not just solving problems, …
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TalaDB - database ToolKit for php
I'm designing a database toolkit for PHP. Here's my architecture. What problems do you see? https://github.com/NoobGreggy/TalaDB
Constraining the Agent: What I Learned Wiring MCP Into a Legacy System
Notes from January 2026, when giving an AI agent live database access still felt reckless. Written for engineers who are about to do this, and for the…
Я не хотел писать ORM для Kotlin/Native. Мне просто нужен был PostgreSQL
Всё началось с архитектурного тупика. Я занимался бэкенд-частью low-code платформы, на базе которой автоматизировались внутренние процессы крупных ком…
Magento 2 EAV Performance Deep Dive: Optimizing the Entity-Attribute-Value Model
The Entity-Attribute-Value (EAV) model is both Magento's greatest strength and its most persistent performance bottleneck. It gives you unlimited flex…
We Replaced Redis with MySQL SKIP LOCKED for Inventory Reservation — Oversells Went to Zero
For two years, our Sponsored Placements service booked limited ad inventory through Redis: a counter in Redis, a Redlock around the decrement, and a T…
From Native WordPress to Headless: The Real Engineering Decisions Behind a Production Migration
Every headless WordPress conversation starts the same way — someone draws an architecture diagram with arrows pointing from a REST API to a shiny Next…
🧠 Mastering pinecone fastapi semantic search tutorial
🚀 Overview — Why Semantic Search Matters Semantic search surpasses simple keyword matching because embeddings place texts in a high‑dimensional vector…
Stop Putting dd() Everywhere Debug the Database From the Source Instead
Every backend developer has done this at some point. A request fails. Something is not inserting into the database. And suddenly the codebase turns in…
How we tracked down a mysterious latency issue in our AWS Lambda + RDS Proxy stack, and discovered Prisma was the culprit all along.
Our API Was Fine. Database Was Fine. So Why Were Queries Taking 16 Seconds? It started with a support ticket. A customer-facing API that normally resp…
CAP Theorem Explained: What I Learned Setting Up MySQL Replication
I recently started my journey into system design and data-intensive applications. This experience has completely changed how I look at software — espe…