Combining GROUP BY and CASE expressions for Accurate Group Labelling in SQL

Resolving Default Constraints and Function Dependencies in SQL Server

Calculating YTD Averages for Each Quarter in SQL: A Comprehensive Approach

Grouping Events by ClientId and Date in SQL: A Step-by-Step Guide

Counting Characters in SQL Server: A Step-by-Step Guide

Optimizing SQL Code for Efficient Data Manipulation and String Splitting Using XML

Using SQL LAG Function to Calculate Sums of Consecutive Rows