Most Excel users are familiar with formatting numbers as currency, percentages, or decimals. But Excel also allows you to create custom number formats that control exactly how numbers appear without changing their actual values.....
A practical, SSMS-based guide to understanding join types, and writing cleaner queries with AdventureWorks2025. Introduction If you have worked with SQL for even a short time, you have probably used…
If you use Excel regularly, you already know that formulas are the heart of the application. Functions like SUM, XLOOKUP, FILTER, and IF help us calculate, search, transform, and analyse…
Having multiple dates in your fact table such as Order Date, Ship Date, and Delivery Date is a natural operational reality, but duplicating every core measure for each date context…
If you've ever worked with relational databases, you've probably come across the term JOIN. Joins are one of SQL’s most powerful features, allowing you to combine rows from two or…