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Ever been told "the application is slow" and didn't know which query to look at first? In this video we show Slow Queries, the new ...

Exciting New Feature Release in SQL Planner! We are thrilled to introduce automated Query Execution Plan Analysis and ...

Three end-to-end optimization case studies on PostgreSQL 16 with generated data, each taken through the same loop: symptom, ...

An eight-step method for a slow query, run end to end on PostgreSQL 16 with 20000 generated customers and 220000 orders: ...

MySQL performance optimization often comes down to your queries. In this 5-minute video, you'll learn 7 common MySQL ...

Ten terminal tools that find out why a database is slow, used on one real-looking incident from the first login to the fix.

The one SQL video to watch before your interview: from SELECT and JOIN to senior-level answers, all in one go. It moves fast on ...

One line made a Postgres query almost 800 times faster: from 243 ms to 0.31 ms on a real table of ten million users. So what did ...

Why is your Apache Spark query slow—even when your SQL looks simple? In this episode of **Darshan Builds**, we break down ...

N+1 Query Problem Explained | Node.js + PostgreSQL Demo Have you ever wondered why your API becomes slow even though ...

How a database index actually makes your queries fast, shown with real EXPLAIN QUERY PLAN output from SQLite. Why a full ...

Database indexes explained: why your app and SQL queries get slow as your tables grow, and how an index finds one row out of ...

In this video, you'll learn how database indexes work, from full table scans to sorted columns, row pointers and B-trees, plus when ...

Twenty-two thousand reads down to four. Same query, same table. I only changed the type of one parameter. I measured five SQL ...

SQL Server CPU hits 100%, queries become slow, and applications start timing out. But which query is actually consuming the ...

Is your API getting slower as your database grows? Your pagination strategy might be the reason! In this video, we explore ...

This C# report went from 773 ms to 26 ms after two small changes. Same data, same results, and the tests still pass. My first guess ...

Is your Laravel application running slow because of database queries? In this video, I'll show you how to detect and log slow ...

Database indexes and transactions explained for developers: why a SQL query does a slow full table scan, what a database ...

You tap Buy on a five dollar coffee, at the same second as a million other people. Every balance still comes out exactly right, even ...