1164. Product Price at a Given Date | SQL Leetcode | Top 50 sql Question #sql #leetcode

📊 SQL Mastery: Finding Product Prices at a Given Date | LeetCode 1164 Solution
Learn how to solve a real-world SQL challenge! In this video, we'll tackle the "Product Price at a Given Date" problem from LeetCode, perfect for interview prep and expanding your SQL toolkit.
🎯 Problem Overview:
Given a table of price changes, we need to determine the price of all products on a specific date. This problem tests your ability to:

Handle date comparisons in SQL
Work with UNION operations
Use subqueries effectively

💡 Key Concepts Covered:

Date filtering in SQL
Complex subqueries
UNION operations
Handling default values

📝 We'll Explain:

Why we need two separate queries
How to handle products with no price changes
Best practices for date comparisons
Query optimization techniques

🎓 Perfect for:

SQL developers of all levels
Data analysts
Interview candidates
Database administrators

⚡ Quick Tips:

Understanding UNION vs. UNION ALL
Efficient use of subqueries
Handling NULL values effectively

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