Day 2 - Filtering Data with WHERE Clause | SQL Challenge with Indian Data Club | Learn SQL Step-by

Welcome to Day 2 of the 21 Days SQL Challenge by Indian Data Club and DPDzero! 🚀 In this video, we’ll dive deep into one of the most important concepts in SQL — the WHERE Clause. You’ll learn how to filter data, use comparison operators, and combine multiple conditions using AND, OR, and NOT. 📚 What You’ll Learn Today: ✅ How to use the WHERE clause to filter records ✅ Comparison operators: =, !=, ✅ Logical operators: AND, OR, NOT ✅ Pattern matching with LIKE, IN, and BETWEEN ✅ How to handle NULL values correctly ✅ Best practices and SQL pro tips 💡 Practice Challenge: Task: Find all patients admitted to 'Surgery' service with a satisfaction score below 70. Display their: patient_id, name, age, and satisfaction score. 🧠 Sample Practice Questions: 1️⃣ Find all patients older than 60 years. 2️⃣ Retrieve all staff working in the ‘Emergency’ service. 3️⃣ List all weeks where more than 100 patients requested admission. 📺 Watch Previous Video: 🔹 Day 1 - Introduction to SQL & SELECT Statement 🔗 Useful Learning Resources: 🧩 SQL Syntax Recap: SELECT column1, column2 FROM table_name WHERE condition; Example: SELECT * FROM patients 🔥 Don’t forget to: 👍 Like | 💬 Comment | 🔔 Subscribe to follow the 21 Days SQL Challenge and level up your SQL skills daily!