Conditional Aggregation for Related Records in SQL Server

Bulk Export: Decompress Stored Data and Save to XML Files Using SQL Server CLR

Understanding SQL Server's XML Character Restrictions: Solutions for the "Illegal XML Character" Error

Mastering Complex Queries: Combining CTEs, Window Functions, and Best Practices for Simplified Database Operations

Understanding Arithmetic Logic in SQL: Correcting the Topup Query with Conditional Logic and Null Checks

Identifying Consecutive Dates by Customer with Same Line and Company in SQL: A Step-by-Step Guide to Calculating Duration and Total Spending

Returning Two Rows for Each Row in a Table: A SQL Solution

Finding Multiple Maximum Values in SQL Server Using Analytical Functions

Optimizing Slow Select Performance on Tables with Large Result Sets Using GUIDs vs Integer-Based Solutions

Using STUFF Function to Get Children's Values Grouped by Parent ID in SQL Server