Calculating Excess Employees in Date Ranges Using SQL and Data Analysis

Using Recursive Queries to Enumerate Weeks and Count Occurrences in SQL

Finding Duplicate Records in a Table Using Windowed Aggregates in SQL Server

Finding and Copying Null Values from One Table to Another in SQL Server: A Step-by-Step Guide

How to Avoid Rerunning Subqueries: A Deep Dive into Window Functions and Indexing

Understanding SQL Server's Extended Properties

Inserting Values into a Column Based on Specific Conditions Using SQL and T-SQL

Mastering SQL Joins and Subqueries: A Comprehensive Guide to Optimized Queries

Understanding Extended Events and Event Sessions in SQL Server

Finding Customers Who Bought Product A in Any Month and Then Purchased Product B in the Immediate Next Month Using CROSS APPLY.