How to Select Records Where Columns Include a Keyword and Have the Same Category in SQL

Finding the Maximum Number of Duplicates in a Column with SQL

Selecting Data Starting from the First Day of a Month with Date Trunc and Interval Calculations in SQL

Grouping MySQL Results by Type with PHP and JSON: A Practical Approach

Selecting Only the Last Date Row of a Joined Table: A Comparative Analysis of SQL Techniques

Calculating Running Totals in a Database: A Comprehensive Guide to Subtracting from a Table Using SQL

Resolving MySQL Error: Using Non-Aggregated Columns in GROUP BY Clause

Understanding Correlated Queries: Mastering Complex SQL Concepts for Performance and Efficiency

Understanding MySQL Collations and Character Sets: Best Practices for Performance and Error-Free Queries

Conditional Logic in SQL Select Queries: A Flexible Approach to Dynamic Conditions