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Chapter 11: Production Best Practices, Indexing Mechanics, EXPLAIN Plans & Security ⏱ 20 min read • Level: Advanced…
Chapter 10: 20 Solved Real-World SQL Interview Exercises & Production Queries ⏱ 25 min read • Level: Intermediate…
Chapter 9: Conditional Logic (CASE Expressions), Subqueries & Window Functions ⏱ 18 min read • Level: Intermediate to…
Chapter 8: Mastering SQL Joins & Set Operations (INNER, LEFT, RIGHT, CROSS, SELF & UNION) ⏱ 18 min…
Chapter 7: Aggregate Functions, GROUP BY, HAVING & SQL Query Execution Order ⏱ 16 min read • Level:…