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Syntax CREATE VIEW view_name AS SELECT columns FROM table WHERE condition; What Is CREATE VIEW? Imagine you have a big […]

The Innocent-Looking SQL Query You’re working for an online shopping company. It’s been a busy week, and you’re just settling

How Indexes Speed Up SQL Queries (Explained Like You’re 5) Let’s make this super chill and easy to understand. No

Want your queries to go from slow 🚶‍♂️ to fast 🚀? Indexes are your secret weapon. What Is an Index

These 4 rules keep your data safe — no half-finished updates, no broken values, and no weird side effects. What

When you want your database changes to be safe, reversible, and controlled, you use a transaction. Imagine This Table: accounts

SQL isn’t just about storing data — it’s also about making sure that data follows the rules. That’s where CHECK

SQL constraints help you control your data, just like rules in a game. Two of the most common ones are

🔗 FOREIGN KEY – Connecting Tables Like a Pro Because real databases don’t live in isolation. Quick Syntax to Create

PRIMARY KEY – Unique + Not NULL Because every row in your table deserves to be one of a kind.