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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 ...

LeetCode (SQL section) Perfect for interview-level SQL and real company patterns. 3. Mode SQL Tutorial Excellent for ...

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In this video, we will learn Primary Key in SQL using a pen and paper explanation. I explain: What is a Primary Key Primary Key ...

I built an autonomous AI Agent that refuses to write SQL until your data is clean. Most AI tools are "people pleasers." If you give ...

This is one mistake almost everyone makes while learning SQL. You rename a column. You use that name in WHERE. SQL ...

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

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

Window functions are one of the most important SQL topics for Data Analysts — and also one of the most confusing. Save this for ...

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

Yes they are not the same sql is a language my SQL Postcript SQL Oracle these are all tools they understand the same language ...

Log values at runtime without changing code or redeploying. Logpoints make debugging faster and cleaner.

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

Do you want to start your career in Data Analytics but feel confused about Python, Excel, SQL, and where to begin? In this video, I ...

Learning a new technology can feel overwhelming — too many tutorials, outdated courses, and no clear direction. In this video, I ...