Finding All Customers Who've Placed Two Types of Orders Using a Handrolled Pivot Approach

Understanding the Power of Conditional Logic: Mastering SQL Server's CASE Statement with Multiple Tables

Ensuring Consistency and Robustness with Database Enum Fields in SQL Server

Understanding How to Handle Duplicate Rows in SQL Using Two Values

Understanding the Atomicity and Isolation of Common Table Expressions (CTEs) in T-SQL Stored Procedures: A Deep Dive into Atomicity and Serializable vs Repeatable Read Isolation Levels.

Understanding SQL Aggregation and Row Numbers for Finding Modes

Retrieving Total Business Count of Employees in Each Category Using Conditional Count Functions

Entity Framework Migrations: Altering Column Type Without Raw SQL

Inserting Data into Multiple Tables Based on Organization ID with Temporary Tables and Common Table Expressions (CTEs) in SQL Server

Extracting the Year from a Date Field in SQL: Best Practices and Functions