How to Filter Updates with a SELECT Clause in SQL Server for Efficient Record Updates

Using Conditional Aggregation to Avoid Common Pitfalls in Microsoft SQL Server: A Comprehensive Guide

Calculating Sales per City and Percentage of Total Using SQL Server

Database Triggers for Data Integrity: Enforcing Department IDs and Job Hierarchies

How to Validate Sample Data Against a Table Using a Stored Procedure and Recursive CTE in SQL Server

Mastering SQL Server's AND Operator: Simplifying Complex Conditions and Best Practices for Improved Query Readability

Grouping SQL Data into Half Hours

Understanding Tables in Custom Linq-to-SQL DataContexts: The Magic Behind Instantiated Tables

How to Change the View of a List in SQL: Using String Splitting Functions and Dynamic Pivot Operations

How to Calculate Historical Hourly Rates Using SQL Window Functions