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This is CS50, Harvard University's introduction to the intellectual enterprises of computer science and the art of programming.

Why WHERE and HAVING are NOT the same in SQL? Most people use WHERE and HAVING but don't understand how SQL ...

Ready to build your first SQL table? In this video, we'll walk through the SQL CREATE TABLE command step by step—perfect for ...

DDL commands in SQL are one of the most confusing topics for beginners. In this video, I explain DDL (Data Definition Language) ...

In this video, I've explained one of the most commonly asked SQL interview questions at Amazon using LEAD() and LAG() ...

What is SQL Injection, and why is it one of the most common web vulnerabilities? In this video, we explain SQL Injection in simple, ...

SQL JOINS Demystified! Struggling with SQL Joins? Not sure when to use INNER JOIN, LEFT JOIN, RIGHT JOIN, or FULL ...

Confused about SQL data types? This video explains SQL data types in a simple and beginner-friendly way. In this video, you will ...

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Master SQL Aggregate Functions! In this video, I'll break down COUNT, SUM, MIN, MAX, and AVG with easy-to-follow examples.

In this video, Primary Key in SQL is explained in Hindi using simple pen and paper examples. This beginner-friendly tutorial helps ...

In this video, you will learn SQL Data Manipulation Language (DML) in a clear and beginner-friendly way. I explain the most ...

If your PostgreSQL database on Kubernetes goes down, how do you get your data back? The answer: Velero. In today's session ...

types of databases explained • all types of database • SQL vs NoSQL explained • types of nosql databases • sql vs nosql vs graph ...

what is isolation in acid properties • acid properties isolation explained • isolation in database transactions • isolation in dbms with ...

In this video, we will understand FOREIGN KEY in SQL in Hindi with simple and real-life examples. You will learn: • What is ...

In this video, we will understand SQL Constraints in a simple and beginner-friendly way. You'll learn: ✓ What is a constraint in ...

In this PostgreSQL tutorial, we will cover how to create tables and establish table relationships with One-to-Many and ...

This video explains ELT (Extract Load Transform) with a simple real-world example. ELT is widely used in modern data ...