Retrieving the Last Production Quantity from a MySQL Query: Two Solutions with Correlated Subqueries and row_number()

How to Use Lateral Joins to Get the Most Recent Exchange Rate for Each Transaction in PostgreSQL

Using Window Functions in MySQL: Fetching Last N Rows for Multiple Users

SELECT DISTINCT ON (user_id, activity_type_id, EXTRACT(year FROM start_date_local))

Optimizing Queries on Nested JSON Arrays in PostgreSQL: Advanced Techniques for Filtering and Selecting Specific Rows

Calculating the Average of Last 3 Values for Each User in SQL

Understanding Lateral Joins in PostgreSQL: A Deep Dive