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RANK, ROW_NUMBER & Running Totals — Window Functions Explained | DB Mastery Series EP 08

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RANK, ROW_NUMBER & Running Totals — Window Functions Explained | DB Mastery Series EP 08

6 просмотров · Трансляция закончилась 6 месяцев назад
Parottasalna
2,39 тыс. подписчиков
6 просмотров · Трансляция закончилась 6 месяцев назад
🚀 Master Database with 5 DB's — Episode 08 This session unlocks one of SQL's most powerful analytical tools — window functions! 📌 What you'll learn in this episode: RANK(), DENSE_RANK(), and ROW_NUMBER() for ranking data Aggregate window functions — running totals, moving averages PARTITION BY and ORDER BY inside window functions Real-world use cases: top-N per group, leaderboards, trend analysis This is Episode 08 of our multi-part series — now that you can join tables, it's time to level up with advanced analytical queries! 🔔 Subscribe and turn on notifications so you don't miss the next episode! 📚 Series: Master Database with 5 DB's 🎯 Databases covered: PostgreSQL | Redis | Neo4j | MongoDB | TimescaleDB #PostgreSQL #Database #WindowFunctions #SQL #BackendDevelopment #LearnDatabase #DBSeries