SQL Programming Resources

✅ SQL Interview Questions with Answers 1. What is a window function? A window function computes results over a group ("window") of rows related to the current row, without collapsing them (like GROUP BY). Examples: ROW_NUMBER(), RANK(), SUM() OVER(...) for running totals, rankings, or moving averages. 2. What is the difference between RANK() and ROW_NUMBER()? • ROW_NUMBER(): assigns unique sequen…

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🚀 SQL Project Series #18 Hotel Booking Analytics 🏨 Analyze hotel bookings, guests, rooms, payments, and occupancy trends using SQL to improve revenue, customer satisfaction, and operational efficiency. 🎯 Business Objectives ✅ Track hotel bookings ✅ Monitor room occupancy ✅ Analyze guest demographics ✅ Measure booking cancellations ✅ Evaluate room performance ✅ Analyze revenue trends ✅ Optimize pr…

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