Select Duplicate Records Based on Multiple Columns Using SQL

Generating a MySQL Column Multiplier Variable Using Stored Functions and Prepared Statements

Using Variables in SQL Update Arguments for Dynamic Query Execution in MySQL.

Selecting Every Newest Row for Specific Values in SQL Queries

Grouping Rows with the Same Value in Multiple Columns Using Window Functions

Counting Repeated Codes in a MySQL Table Without the Last 3 Characters: A Self-Join Solution

Getting the Most Popular Product for Each Employee in MySQL Using Window Functions and GROUP BY

Finding the Maximum Number of Duplicates in a Column with SQL

Optimizing MySQL Queries for Female Candidates Under 50

Mastering the SQL YEAR Data Type: Solutions for Dates Beyond 2155