Joining Data Tables with Current Year and Prior Year Records: A Step-by-Step SQL Solution

Creating Sequence Number Fields Based on Total Value/Count

Get Top 1 Row of Each Group: A Comprehensive Guide to Aggregate Functions and Data Normalization

How to Perform Conditional Updates with Multiple Columns in SQL

Advanced SQL Querying Using Conditional Ordering with SELECT Clause

Conditional Aggregation in SQL Server: How to GROUP BY CASE with aggregate function without using GROUP BY

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

Understanding Date and Time Data Types in SQL Server

Joining Two Tables Based on Multiple Conditions and Priority in SQL: A Comprehensive Guide to Lateral Joins and Beyond

iPhone App Development and T-SQL Solutions Using Windows-Based Tools for iOS Devices