Choosing Between Pivot and Unpivot Operations: A Comprehensive Guide to Transforming Data in T-SQL

Identifying Records Repeating Within a Set Time Frame Since Their First Creation in SQL Using Self-Join Method

Understanding the Mysteries of NOT IN in SQL Server

SQL Server Merge Operation: A Comprehensive Guide to Updating and Inserting Data

Dynamic Pivot Queries for Summing Values by Month in SQL Server

Using the CASE Expression in SQL to Count Values

Resolving Date Conversion Issues in Stored Procedures: Best Practices for Accurate Comparisons

How to Export Each Table Row to a Separate JSON File in SQL Server Using OPENJSON