Counting and Grouping Data: A Deeper Dive into SQL Queries with Examples and Best Practices for Complex Data Sets

Understanding Windowing Functions in SQL: Mastering Aggregation Across Rows

Understanding the Peculiar Behavior of SQL Server's DATEDIFF Function When Used with DATEADD

Pivot Functionality: Unpacking and Implementing the Concept with SQL

Optimizing Update Queries on Large Tables without Indexes: 2 Proven Approaches to Boost Performance

Optimizing Date Ranges in SQL Using Calendar Tables

Extracting Complex Nested XML into a Structured Table Using XQuery and SQL Server

Understanding Stored Procedure Creation in SQL Server: Best Practices for a Robust Database Design

Understanding SQL Query Persistence and Object Name Resolution Issues in SQL Server Management Studio

SQL Multiple SUM with Conditions in a Single Query: A Comprehensive Guide to Efficient Data Retrieval