Selecting One Row Per Identifier with Shortest Overall Path Length in T-SQL

Identifying and Handling Duplicate Records in SQL: A Step-by-Step Guide to Assigning Repeating Keys

Finding the Last Change Value: A Comprehensive Guide to Using LAG and LEAD in SQL Queries

Understanding the Limitations of varchar(max)

Understanding SQL Server Views for Efficient String Manipulation Techniques

Splitting Comma Separated Values into Rows in SQL Server

Joining Tables When Certain Conditions Must Be Met: A SQL Server Example

Using Regular Expressions in SQL Queries: A Practical Guide for Extracting Insights From Large Datasets

Alternative Approaches to Pivoting Row Data in SQL Server 2012 without Using the Pivot Function

Using Recursive Joins with SUM Aggregations: A Deep Dive into Common Table Expressions (CTEs) and Hierarchical Query Optimization