Removing Duplicate Records from Key/Value Pair Table in SQL Server Using string_agg()

Applying Conditions to Child Records in SQL: A Deep Dive

Counting XML Nodes in T-SQL: A Comprehensive Guide

Counting Customers by Status Per Month: Optimized Query to Exclude Days and Months with No Registrations

Choosing Between Separate Columns, Single Column with Code, and the EAV Model: A Comprehensive Guide for Optimal SQL Querying

Creating Aliases in SQL Server: Choosing Between Grouping Sets and UNION ALL

Querying Data from Multiple Sources: A Deep Dive into Joins and Grouping

Executing Stored Procedures in SQL Server with Parameters from Excel Sheets: A Step-by-Step Guide

Understanding and Mastering LINQ Joins: A Guide to Selecting Fields in C#

Lateral Joins and While Loops in SQL Server: A Deep Dive into Efficient Data Manipulation