Incrementing Column Group by an ID Value: A Solution Using Tally Tables

How to Handle Duplicate Data in SQL: Using Various Techniques for Clean Data Sets

How to Aggregate Events by Year in SQL Server with Conditional SUM Statements

Using Dynamic SQL for Table Renaming in Microsoft SQL Server

How to Use UNION ALL with Implicit Data Type Conversions in SQL Server

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