Tags / greatest-n-per-group
How to Fix SQL Distinct with ORDER BY: Avoiding Duplicates and Getting the Right Results
Calculating the Average of Last 3 Values for Each User in SQL
Finding the First Row for Each ID-Grade Combination Using Window Functions in MySQL
Ranking Rows Within Grouped Data Using SQL: A Comparative Analysis of Window Functions and Correlated Subqueries
Retrieving Latest Date and Total Enrollments from Duplicated School Records
Understanding Oracle Database and Querying Records: Mastering ROW_NUMBER() for Second-Highest Records Retrieval