Calculating the Sum of Digits of a Year in MySQL: A Flexible Approach

Ordering Rows by First Letter and Date in SQL

Updating Table Values Using INNER JOINs: Best Practices for SQL Query Optimization

Using SELECT MAX Inside an INSERT Statement in MySQL: Best Practices and Workarounds

Using UNION All to Combine Multiple Conditions in a Single SELECT Statement

Using Conditional Logic in SQL to Return a Single Row with Specific Conditions

Fixing Common SQL Syntax Errors: A Case Study of Table Aliases and Date Extraction