Post #2437

🧠How much SQL is enough to crack a Data Analyst Interview? 📌 Basic Queries ⦁ SELECT, FROM, WHERE, ORDER BY, LIMIT ⦁ Filtering, sorting, and simple conditions 🔍 Joins & Relations ⦁ INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN ⦁ Using keys to combine data from multiple tables 📊 Aggregate Functions ⦁ COUNT(), SUM(), AVG(), MIN(), MAX() ⦁ GROUP BY and HAVING for grouped analysis 🧮 Subqueries & CTEs ⦁ SELECT within SELECT ⦁ WITH statements for better readability 📌 Set Operations ⦁ UNION, INTERSECT, EXCEPT ⦁ Merging and comparing result sets 📅 Date & Time Functions ⦁ NOW(), CURDATE(), DATEDIFF(), DATE_ADD() ⦁ Formatting & filtering date columns 🧩 Data Cleaning ⦁ TRIM(), UPPER(), LOWER(), REPLACE() ⦁ Handling NULLs & duplicates 📈 Real World Tasks ⦁ Sales by region ⦁ Weekly/monthly trend tracking ⦁ Customer churn queries ⦁ Product category comparisons ✅ Must-Have Strengths: ⦁ Writing clear, efficient queries ⦁ Understanding data schemas ⦁ Explaining logic behind joins/filters ⦁ Drawing business insights from raw data SQL Resources: https://whatsapp.com/channel/0029VanC5rODzgT6TiTGoa1v 💬Tap ❤️ for more!