Database Indexing 101 — faster queries, fewer surprises
Indexes make some queries disappear and others slower. This walks through the patterns that matter and the traps that quietly hurt writes.
devdatabasessql
Posts tagged “sql”
Tiny explainers grouped by topic. Spend less time Googling, more time building.
What is an N+1 Query and How Do You Fix It?
A fundamental database performance problem: why N+1 happens, how to spot it, and fixes with eager loading/batching in popular ORMs (Django, Rails, Prisma/Sequelize, SQLAlchemy).
devdatabasesorm
SQL vs NoSQL Databases — The 2‑Minute Guide
A high-level comparison of relational and non-relational databases with common use cases for each.
devdatabasessql