SQL: All you need to know for interviews
SQL: All you need to know for interviews
Digital Product
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This all-in-one SQL guide is your complete resource to learn and master SQL, whether you’re a beginner or preparing for technical interviews. Covering everything from foundational SELECT statements, GROUP BY, and aggregate functions to advanced topics like JOINs, CTEs, Window Functions, RANK, LAG, LEAD, ROLLUP, and CUBE—this article is packed with practical examples, real interview questions, and step-by-step approaches to solving them. If you're looking for one article that teaches it all—this is it. No need to open another tab.
What are people saying
Gave a mock interview, got feedback that was friendly, insightful, and most importantly, straight to the point. Exactly the kind of guidance you need to ace the game.
Manish Kumar
Jun 2025
Pragya shukla is the best mentor when it comes to Data Science and AI. All my doubts were resolved with clear, crisp, and easy-to-understand explanations. Her teaching style is straightforward and beginner-friendly, making even complex topics simple to grasp. Highly recommended for anyone looking to build a strong foundation in Data Science and AI!
Naveen
Jun 2025
₹99₹119