SQL Server Pivot with YEAR() Function: A Comprehensive Guide to Conditional Aggregation

How to Write Stored Procedures for Updating Database Tables Without Sending Null Values

Calculating DATEDIFF on "Non-Valid" Columns in SQL Server 2008: A Step-by-Step Solution

Optimizing Queries with Sum of Amount Grouped by Condition: A Deep Dive

Dynamic Table Update Script for SQL Server: Overcoming Challenges with Metadata-Driven Approach

Calculating Total Count of Doses Within a Given Time Span Using SQL

Alternative Methods to LEAD in SQL Server 2008: A Comparative Analysis of Window Functions, Recursive CTEs, and Self-Joins

Conditional Aggregation in SQL: Mastering Subquery Grouping Techniques

Understanding String Trimming in SQL Server

Updating Dynamic Columns in SQL: A Step-by-Step Guide Using Unpivot