Medallion warehouse · runs entirely in your browser (DuckDB-WASM)
Insurance Data Platform
Load data and watch it flow through a Bronze → Silver → Gold pipeline with automated data-quality controls — the SQL and data-quality checks execute live, client-side. Nothing is uploaded to a server.
Load sample data
A synthetic Canadian P&C insurer dataset (~8,600 policies, ~5,000 claims) with realistic defects for the controls to catch.
Upload your own CSVs
Provide one or more source files. Match the sample schema (download a template).
Customers
Policies
Claims
Real DuckDB (WebAssembly) runs the Silver/Gold transforms and the 10 data-quality controls in-page. The first load fetches the ~35 MB engine once.