Tags / greatest-n-per-group
Understanding and Applying Group By with ROW_NUMBER() Function in SQL Server for Advanced Analytics
Retrieving Latest Record for Each ID from Two Tables in Oracle SQL: A Step-by-Step Guide
Finding the First Row for Each ID-Grade Combination Using Window Functions in MySQL
Retrieving Top 1 Row per Group: A Flexible Approach to Data Analysis
Optimizing Queries for Top Rows with Latest Related Row in Joined Tables
Optimizing Postgres Queries: Simplifying Subqueries and Indexing Strategies for Performance Gains
Using Window Functions in MySQL: Fetching Last N Rows for Multiple Users
Using Aggregation Functions to Retrieve Unique Values in Oracle
Using Window Functions to Select the Latest Date for Each ID Video Type