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

Using Window Functions to Get the Highest Metric for Each Group

Understanding How to Use PostgreSQL's SELECT Statement for Efficient Querying

Retrieving Maximum Values: Sub-Query vs Self-Join Approach

Selecting Distinct Records with MySQL's Max and Distinct: A Step-by-Step Solution Using `deleted_at` Column

Finding the First Row for Each ID-Grade Combination Using Window Functions in MySQL

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

Optimizing Queries for Top Rows with Latest Related Row in Joined Tables

Using Aggregation Functions to Retrieve Unique Values in Oracle