Optimizing Date Queries in PostgreSQL: Best Practices and Edge Cases

SELECT DISTINCT ON (label) * FROM products ORDER BY label, created_at DESC;

Using Specific Nth Column of WITH Created Temporary Table in PostgreSQL

Understanding the Inexact Nature of Floating Point Arithmetic in SQL: A Guide to Best Practices and Mitigating Issues

Calculating Date Differences: A Step-by-Step Guide

Trimming All Occurrences of a Character from Numeric Values in PostgreSQL Using REPLACE Function

Validating Inserts with PostgreSQL Triggers and User-Defined Functions

Optimizing SQL Queries: A Step-by-Step Guide to Better Performance

Optimizing PostgreSQL Update Statements for Large Datasets and Missing Values

Understanding Division in Group By SQL Tables: Avoiding Integer Division Issues with Casting and Alternative Approaches