Extracting Elements from XML Using SQL: A Deep Dive

Merging Results from Multiple Columns into One: A SQL Server 2012 Solution Using UNION ALL and COALESCE

Splitting Numeric Values in SQL Server: A Comparative Approach Using Regex

Joining Data Tables with Current Year and Prior Year Records: A Step-by-Step SQL Solution

Update Duplicate Data in Databases Using Self-Join and MERGE Statement

Understanding Table Functions in SQL Server: A Guide to Simplifying Complex Queries and Improving Database Development Skills

Using Window Functions to Calculate Averages as Proportions of Total Sum in SQL

Optimizing Queries with SQL Server 2008 Express: Techniques for Selecting Records with Maximum DateTime Values

How to Use the LAG() Function to Get a Pre-Position Number in SQL Server

SQL Server 2008: Many-to-Many Relationship with Concatenation in SELECT Query