Learn how to use Excel's new GROUPBY and PIVOTBY functions through five real-world examples, ranging from easy to hard. This ...

The constraint that exposed a gap in my toolkit: a SQL challenge, zero internet allowed. Here's how I turned that gap into a permanent resource — with Claude. While interviewing recently, I hit a SQL ...

Learn SQL basics in just 15 minutes with this tutorial focused on using SQL with MySQL. Topics covered include: - What SQL is ...

PHP's database access functions are not standardized. This creates a need for a database class library to hide the differences between the different databases (encapsulate the differences) so we can ...

When it comes to analyzing data in Excel, two powerful tools often come up: PivotTables and Power Pivot. While they sound similar, they serve different purposes and are suited for different kinds of ...

Have you found this content useful? Use the button above to save it to your profile. This is for readers of AccountingWEB who use the Dimensions package from Access Accounting. There are two main ways ...