Star Schema

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Tutorials, tips, and deep dives on Star Schema — every post from bianca.codes tagged Star Schema.

Star Schema posts

Power BI 7 min read

Build a star schema from a single flat file

One wide CSV, thousands of repeated names. By the end you have a fact table, two dimension tables, and a model Power BI actually wants.

28 July 2026
Power BI 4 min read

Most Power BI dashboards are just decorated spreadsheets

Three slicers and a card don't turn a spreadsheet into a data model, and the columns you didn't build are exactly where it falls apart.

22 July 2026