SQL & Query OptimizationCurated Directory — Courses, Videos, Books & Websites

Master SQL - Core Database Skills Practice Exam

This course delivers intensive multiple-choice practice exams that mirror employer-style SQL assessments, letting you drill realistic question formats and sharpen problem-solving speed under timed conditions. Every question includes step-by-step explanations and suggested approaches so you not only get the right answers but learn the underlying SQL logic, common pitfalls, and efficient query strategies interviewers probe. For job seekers aiming to turn knowledge into interview-ready performance, the exam-focused structure, time-management tips, and targeted topic coverage provide a practical, career-oriented path to higher confidence and better hiring outcomes.

SQL Explained in 100 Seconds

Learn the fundamentals of Structured Query Language SQL! Even though it's over 40 years old, the world's most popular ...

30 SQL Tips and Tricks From 18 Years of Experience | #SQL Course 43

30 powerful SQL tips and tricks learned from 18 years of real-world data experience. Subscribe, Like, and Comment If you want ...

Learn GraphQL In 40 Minutes

GraphQL is the hottest technology when it comes to server side APIs for good reason. It is incredibly fast to develop with, and it ...

SQL Tutorial for Beginners (Complete Course using MySQL)

Learn complete MySQL in one shot using this full course in 4 hours. Data Science Course discount Link: ...

Watch Brent Tune Queries - SQLSaturday Oslo

Ever wonder somebody else does it? Watch as I take a shot at a query from Stack Overflow. Database, query, & resources: ...

Elon Musk vs SQL 😭

Secret To Optimizing SQL Queries - Understand The SQL Execution Order

Get a Free System Design PDF with 158 pages by subscribing to our weekly newsletter: https://bytebytego.ck.page/subscribe ...

GraphQL Crash Course - GraphQL NodeJS

In this beginner-friendly YouTube crash course, join us as we dive into the world of GraphQL, the revolutionary query language for ...

SQL Course for Beginners [Full Course]

Master SQL – an essential skill for AI, machine learning, data analysis, and more! This beginner-friendly course teaches you ...

GraphQL Full Course - Novice to Expert

Complete course on GraphQL where you will create a full-stack application from scratch using: - GraphQL server on Node.js ...

SQL Query Optimization - Tips for More Efficient Queries

In SQL, query optimization involves making our queries more efficient. We do so to improve performance, reduce response time, ...

Learn Basic SQL in 15 Minutes | Business Intelligence For Beginners | SQL Tutorial For Beginners 1/3

WANT MORE? GET MY FULL SQL COURSE HERE: https://geni.us/lbia_sql WATCH PART 2 HERE: ...

12 Ways To Rewrite SQL Queries for Better Performance

In this episode we explore a variety of ideas for rewriting queries to improve performance when you can't do things like change ...

How to Design APIs Like a Senior Engineer (REST, GraphQL, Auth, Security)

Become a senior software engineer with a job guarantee: https://go.hayksimonyan.com/134-api-design-masterclass Learn how to ...

SQL Query Optimization and performance tuning tips | SQL Tutorial for Beginners | SQL Interview tips

Unlock the secrets to efficient SQL query optimization and performance tuning with our comprehensive tutorial designed for ...

SQL Execution Plans (Visually Explained) | SQL Hints | #SQL Course 40

Visually explained how to read SQL execution plans and use query hints to optimize performance. Subscribe, Like, and ...

7 Simple Tricks to Instantly Make Your SQL Queries Better

Want to write SQL that looks like it was written by a senior developer? In this video, I'll show you 7 simple tricks that will instantly ...

SQL Full Course for Beginners (30 Hours) – From Zero to Hero

I've spent 2 years creating this *high-quality SQL course* so you can master SQL for data analysis & data engineering. The best ...

Query Optimizer and Optimization Process in Microsoft SQL Server

تعلم البرمجة من الصفر للإحتراف مجانا. كورس تعليم البرمجة للمبتدئين من الصفر. افضل كورس لتعلم البرمجة للمبتدئين. شرح البرمجة ...

What is SQL? [in 4 minutes for beginners]

Structured Query Language - or SQL, is a language that communicates with databases. Learn what SQL is, and why it is an ...

SQL - Complete Course in 3 Hours | SQL One Shot using MySQL

Want to study for Tech Placements/Internships from us : Our Latest Placement Batches : https://linktr.ee/apnacollege.in Share your ...

GraphQL Crash Course #1 - What is GraphQL?

In this GraphQL tutorial series you'll learn how to set up a GraphQL server and make queries/mutations using GraphQL query ...

What Is GraphQL? REST vs. GraphQL

To get better at system design, subscribe to our weekly newsletter: https://bit.ly/3tfAlYD Checkout our bestselling System Design ...