PostgreSQL 7| PostgreSQL Tutorial: Filtering, Aggregation & Grouping
In this video, we cover the basic SQL operations in PostgreSQL with practical exercises on real tables. You’ll learn how to write queries using:
✅ SELECT statements
✅ Filtering with WHERE
✅ Aggregation functions (SUM, AVG, COUNT, MIN, MAX)
✅ GROUP BY for grouping data
✅ HAVING for group-level filtering
✅ ORDER BY for sorting results
✅ Different Join Operations
This tutorial is perfect for beginners who want hands-on practice with PostgreSQL and SQL fundamentals. By the end, you’ll be able to confidently filter, group, and analyze data using queries that are widely used in real-world projects.
Question Link :
https://drive.google.com/file/d/1tKpS...