Grouping and Counting Data in Laravel 8: A Comprehensive Guide

Understanding the SELECT List Expression Error in SQL Queries

Updating a Column in One Table Based on Conditions Met by Another Table: A SQL Solution Using NOT EXISTS

Representing JSON Tree-Child Structures in Relational Databases Using Closure Tables

Eliminating Rows Based on Conditions in Multiple Tables without Subqueries

Diving into MySQL: Getting the Sum of Different Currencies in One SQL Request

How to Filter Dates with Time Component: Handling Logic for From and To Times

Merging Two Tables with Different Date Column Names

Optimizing SQL-like Operator Searches with Dictionary Lookups

Here's a Python solution using SQL-like constructs to calculate the required metrics: