Calculating Total Time Spent at Specific Locations Within a Date Column for Tags with Multiple Consecutive Minutes.

Understanding SQL Server Column Default Values: Best Practices for Specifying Default Values in SQL Server

Combining Column Output by Comma Separated Values in SQL Server

Merging Results from Multiple Columns into One: A SQL Server 2012 Solution Using UNION ALL and COALESCE

Dynamic Pivot in SQL Server: A Flexible Solution for Data Transformation

Understanding Transaction Isolation Levels and Nested Transactions in SQL Server