Tags / greatest-n-per-group
Get Top 1 Row of Each Group: A Comprehensive Guide to Aggregate Functions and Data Normalization
Retrieving Top 1 Row per Group: A Flexible Approach to Data Analysis
Optimizing Record Selection in MySQL for Minimum Date Value While Ensuring Specific Column Values
How to Use Lateral Joins to Get the Most Recent Exchange Rate for Each Transaction in PostgreSQL
Filtering Rows with Unique IDs in MySQL: A Comparative Approach Using Subqueries and Aggregate Functions