The Day My “Simple” Database Design Collapsed Under Real Users
Raj Kumar
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19 posts published so far
My Database Started Rejecting Users (And I Didn’t Know Why)
Raj Kumar
The Day SQL Joins Finally Felt Like Real Engineering
Raj Kumar
The Moment Joins Finally “Clicked” for Me
Raj Kumar
The Duplicate Order Bug That Should Have Never Happened
Raj Kumar
The Bug That Wasn’t in the Code… It Was in the WHERE Clause
Raj Kumar
The Query That Took Down the Dashboard
Raj Kumar
The Day a “Small” Data Type Choice Slowed Down Everything
Raj Kumar
The Schema Decision That Cost Us Performance (And Could’ve Cost Us Money)
Raj Kumar
Constraints in MySQL: The Line Between Clean Data and Chaos
Raj Kumar
The Midnight API Timeout: Why Your SQL Results Are Killing Your Performance
Raj Kumar
Stop Guessing: How to Use SQL Aggregates for Real-World Analytics
Raj Kumar
Why Every Senior Dev Needs to Master MySQL’s CTAS Trick
Raj Kumar
I Took Down Production With a CREATE TABLE Statement
Raj Kumar
The "Aha!" Moment: Why I Swapped My SQL GUI for a Jupyter Notebook
Raj Kumar
Mastering React: Techniques to Optimize Your Web Application
Raj Kumar
Unlocking the Power of YouTube: The Ultimate Guide to Effective Learning
Raj Kumar
Array Helper Methods: Every Javascript Developer Must know ! 😯
Raj Kumar
Top ES6 Features - Every Javascript Developer Must know...! 🤔
Raj Kumar