Practical tips on SQL, Power BI, Excel and building a data career
A manager tells you: Something is wrong with the order process. Can you investigate?You look at the data and notice that orders requiring manual...
Why Senior Candidates Need a Different Portfolio Strategy From Fresh Graduates?A fresh graduate can impress an employer by showing: I know Power...
A KPI moves in the right direction.- Sales are up 18%.- Customer complaints are down.- Productivity has improved.The immediate reaction is usuall...
A manager asks, Sales are down 8% from last month. Should we be worried?The calculation is easy. The analytical decision is not. Comparing w...
You can write a technically perfect SQL query and still deliver the wrong business answer. That is one of the realities analysts often discover a...
A business owner gives you six weeks of sales data and asks: Can you tell me whether sales are going to keep growing?You have a dashboard. You ha...
Most portfolio projects show the beginning and the end. From Problem to Dashboard and to Finding. It looks clean. It also hides the most importan...
A senior leader asks: Customer response time is 42 minutes. Is that good or bad?You have the data. But you don't have a target. This is where man...
An experienced career switcher often makes the same mistake. I know Excel, SQL, Power BI and Python. That tells an employer what tools you can us...