In this quick SQL tutorial, learn how structured data fits into a relational model—the table. We explain how columns (attributes) and rows (tuples) make up a table, and why tables are called relations in RDBMS. Using a simple student table example, we clarify key terms such as arity (number of columns) and cardinality (number of rows). Perfect for BCA/MCA/B.Tech students and freshers preparing for placements or interviews in database management. | Gate Smashers

💥 “SQL Joins Explained Like Never Before 💀” Ever wondered what LEFT JOIN, RIGHT JOIN, or CROSS JOIN actually mean?� This meme says it all 😂👇 👨‍💻 Here’s the cheat sheet you didn’t know you needed: -- LEFT JOIN → All from Left Matches SELECT * FROM A LEFT JOIN B ON A.id = B.id; -- RIGHT JOIN → All from Right Matches SELECT * FROM A RIGHT JOIN B ON A.id = B.id; -- FULL OUTER JOIN → Everything from Both SELECT * FROM A FULL OUTER JOIN B ON A.id = B.id; -- INNER JOIN → Only Matches SELECT * FRO