Tags / greatest-n-per-group
How to Fix SQL Distinct with ORDER BY: Avoiding Duplicates and Getting the Right Results
Fetching Top 25 Rows per Column: A SQL Solution Guide for Handling Complex Data
Finding Maximum Count in SQL: A Comprehensive Guide
Optimizing Queries on Nested JSON Arrays in PostgreSQL: Advanced Techniques for Filtering and Selecting Specific Rows
Querying Each Student's 3rd Best Assignment Mark in Each Subject Using Window Functions
SELECT DISTINCT ON (user_id, activity_type_id, EXTRACT(year FROM start_date_local))