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

Optimizing Queries for Three Tables: An Efficient Solution Using Common Table Expressions

Optimizing Query Performance: Using CTE with ROW_NUMBER() to Select First Row

Optimizing SQL Server Code: Moving COALESCE Inside Query and Adding Loop Break Conditions

Converting XML Rows to Columns: A Dynamic Approach Using SQL Server's Pivot Function

Custom Month Aggregation in SQL Server: A Flexible Solution for Data Analysis

How to Aggregate Events by Year in SQL Server with Conditional SUM Statements

Understanding SQL Grouping and Aggregation Techniques for Complex Data Transformations

Convert Timestamps from Teradata Data Lake to SSMS Database Table

Optimizing SQL Queries with Sub-Queries and Common Table Expressions