Preparing for an SQL Interview? Here’s What You Need to Know!
If you’re aiming for a data-related role, strong SQL skills are a must.
Basics:
→ Learn about the difference between SQL and MySQL, primary keys, foreign keys, and how to use JOINs.
Intermediate:
→ Get into more detailed topics like subqueries, views, and how to use aggregate functions like COUNT and SUM.
Advanced:
→ Explore more complex ideas like window functions, transactions, and optimizing SQL queries for better performance.
🡲 Quick Tip: Practice writing these queries and explaining your thought process.
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