Effective Duplicate Data Detection Using HAVING, GROUP BY, DENSE_RANK(), and ROW_NUMBER()

Analyzing Sequence of Records in SQL Server Using Window Functions

Avoiding Common Pitfalls When Executing Stored Procedures in SQL Server

Using Recursive Queries to Enumerate Weeks and Count Occurrences in SQL

Understanding the Performance Difference Between JOINs and IN Clauses in SQL: Which Approach Reigns Supreme?

Using Row Numbers to Simplify Data Manipulation and Analysis in T-SQL