Tags / greatest-n-per-group
Retrieving the Latest Record from Duplicate Values Without Grouping in MySQL
Selecting n Records from Each Group in a GROUP BY Clause with a Single Query: A Guide to Advanced Window Function Techniques
Using Arrays for Conditional Aggregation in BigQuery: A Pivot Table Solution
Finding the Values of the Latest Dates in SQL Server Using UNION ALL and ROW_NUMBER()
Finding the First Row for Each ID-Grade Combination Using Window Functions in MySQL
Understanding Oracle Database and Querying Records: Mastering ROW_NUMBER() for Second-Highest Records Retrieval
Finding Top 2 Customers by Maximum Amount of Transaction in Oracle DB: A Comprehensive Guide
Ranking Rows Within Grouped Data Using SQL: A Comparative Analysis of Window Functions and Correlated Subqueries