SQL feels tricky? Let’s break it down & get you ready for your next Data Engineering interview 👇 𝗦𝗼, 𝗜'𝗺 𝗼𝗳𝗳𝗲𝗿𝗶𝗻𝗴 𝗮 𝟭𝟬-𝗱𝗮𝘆 𝗽𝗹𝗮𝗻 𝘁𝗼 𝗵𝗲𝗹𝗽 𝘆𝗼𝘂 𝗺𝗮𝘀𝘁𝗲𝗿 𝗦𝗤𝗟 𝗳𝗼𝗿 𝗗𝗮𝘁𝗮 Engineering: 10-Day Advanced SQL Plan for Data Engineering 💪 Day 1: Recap Core SQL (Joins, GROUP BY) Day 2: Window Functions (RANK, LAG, LEAD) Day 3: Common Table Expressions (CTEs, recursive queries) Day 4: Subqueries (nested, correlated) Day 5: Set Operations (UNION, INTERSECT, EXCEPT) Day 6: Advanced Joins (self-joins, FULL OUTER) Day 7: Analytical SQL (time-series, running totals) Day 8: Query Optimization (indexes, EXPLAIN plans) Day 9: Advanced Aggregations (PIVOT, hierarchical data) Day 10: Real-World Data Science Project (SQL with Python/R) So, to help you understand each concept easily here's a resource compiling all of them. Register here: https://bit.ly/40scMf7