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#databases

6,335 posts

HCHarshwardhan Choudharyeasyharshmods.hashnode.dev

Migrating MySQL to PostgreSQL with Zero Downtime Using AWS DMS — A Full Walkthrough

I recently built a demo that walks through something that scares most engineering teams: migrating a live production database from MySQL to PostgreSQL without taking the application down. Not a toy mi

14h ago19 min read

BNBaqir Naqvidbvault.hashnode.dev

The Database Backup Strategy Every Startup Should Have (Before It’s Too Late)

Your database is your startup. It holds: Customer data Revenue history Authentication records Years of product iteration And yet, most early-stage startups treat backups as an afterthought. Unti

5h ago5 min read

BSBikash Shawbackend.bikashshaw.in

Database at Scale

Stateless and Stateful Architecture What is state ? State is the information about previous interactions that are made. Stateless: These are systems where each request is completely independent and i

1d ago11 min read

BGBoris Guarismablog.bguarisma.com

Quand l'IA rencontre la physique (et perd)

Un grand modèle de langage ne sait rien de votre métier. Ce qui le rend utile en industrie critique, ce n'est pas sa puissance — c'est l'architecture de données qui le contraint. J'ai construit un Kno

1d ago9 min read

ETEduard Tymchenkoreleemdev.hashnode.dev

MySQL Memory Usage A Guide to Optimization

Struggling with MySQL memory spikes? Knowing how and where memory is allocated can make all the difference in maintaining a fast, reliable database. From global buffers to session-specific allocations, understanding the details of MySQL’s memory mana...

2d ago4 min read

HAHamdaan Alifreecodecamp.org

How to Elevate Your Database Game: Supercharging Query Performance with Postgres FDW

Foreign data wrappers (FDWs) make remote Postgres tables feel local. That convenience is exactly why FDW performance surprises are so common. A query that looks like a normal join can execute like a distributed system: rows move across the network, r...

2d ago53 min read

PPPayal Porwalcodeswithpayal.hashnode.dev

📘 Day 34 – Connecting MySQL with Node.js

By the end of Day 34, students will be able to: ✔ Understand how Node.js talks to MySQL✔ Use mysql2 (latest & recommended package)✔ Create first backend API using MySQL✔ Understand real-life backend flow 🔁 Quick Recap (Till Day 33) Till now student...

2d ago5 min read

CIclientum itclientium-b2b-italia.hashnode.dev

Strumenti per la Lead Generation B2B: Quali Servono Davvero

Tags: #strumenti lead generation #tool b2b #Apollo #LinkedIn Sales Navigator #Smartlead #CRM #database #sales tools #tech stack #automazione Lo stack tecnologico per la lead generation B2B può costare da 50€ a 5.000€ al mese. La differenza non è il b...

2d ago2 min read

SMStephen Mwangisqlnuggets.hashnode.dev

Day 1: Getting Started with SQL

Basic Introduction SQL, short for Structured Query Language, is a language used to access and work with data stored in a database. To break it down: Data – Think of data as information about objects.E