Gurnell OwilliData modeling in SQLData Modeling is an essential skill for database developers and database engineers. However, it’s not limited to those two professions…May 30, 2023May 30, 2023
Gurnell OwilliSQL Best PracticesSQL is one of the most important languages in the data world. It is used by data scientists, data analysts, data engineers ,and other data…May 22, 2023May 22, 2023
Gurnell OwilliCase Study: Databel Customer Churn Visualization Analysis.In this case study, the analysis will be based on a fictitious churn dataset from a Telecom provider called Databel. I will analyze the…Nov 17, 20221Nov 17, 20221
Gurnell Owilli8 week SQL challenge: Case Study #Danny’s Diner.If you want to practice your SQL skills, then Danny Ma’s 8 week challenge is just what you need. You can find it here:Oct 27, 2022Oct 27, 2022
Gurnell OwilliDynamic Budget vs Actual Dashboard on Excel(Variance Analysis).So today we continue our Excel journey by creating an interactive dashboard that compares budgeted vs actual figures. The dashboard will…Oct 25, 2022Oct 25, 2022
Gurnell OwilliInteractive Sales Dashboard in ExcelBuilding dashboards in Excel is easier than you think and so much fun. Let’s get right into it.Oct 13, 2022Oct 13, 2022