Using Case Expression in Scalar Functions: A Revised Solution for SQL Server

Adding Equal Column Values Count in SQL Server

Understanding Multiple Records in One Row: SQL Challenges and Solutions

SQL Grouping Two Separate Items in a Column Together in the Same Row: A Conditional Logic Approach

Selecting Distinct Rows from a Table Based on Two Columns with Additional Columns Using Subqueries, Joins, and Aggregations

Understanding SQL Server Left Join vs Inner Join for Resolving Statement Issues