Understanding SQL Grouping and Aggregation Techniques for Complex Data Transformations

Identifying Changes in Customer Relationships Over the Last 30 Days with SQL Queries

Stored Procedures in SQL Server: Understanding the Concept of a Check Count

How to Calculate Running Total of "Due" Jobs in SQL Server 2012: Recursive Queries and Cursors Compared

Configuring SQL Server Profiler for Persistent Logging and Advanced Troubleshooting

Optimizing Row Grouping for Value Aggregation: A Recursive Approach Using Common Table Expressions (CTEs)

Counting Active Systems by Month: A Comprehensive Approach

Calculating Running Totals Based on Changes in Indicator Columns Using Group Row Numbers and Window Functions

Understanding Row Numbers and Last Dates in SQL Queries: A Comprehensive Guide

Improving SQL Server Stored Procedures: Best Practices and Code Optimization Strategies