News

News & essays.

Announcements and essays from the Emolysis team: what Emolysis is, how it works, and where it stands. Releases are announced here first.

Posts

  1. 6 min read

    Where did this number come from?

    Every Emolysis chart says whether its rows are illustrative, a sample or live, and which metric definition it shows. Why, and what that does not prove.

    By Emolysis team

  2. 8 min read

    One shape, three dialects: SCD Type 2

    The same SCD Type 2 history on Databricks, Snowflake and Microsoft Fabric. Two null-safe comparisons, one transaction rule and one set of golden cases.

    By Emolysis team

  3. 6 min read

    Averages don't add: re-combining grouped reads

    A chart over a pre-aggregated table can average the averages and draw a wrong number. How Emolysis re-combines grouped reads exactly, and where that stops.

    By Emolysis team

  4. 4 min read

    Bring your own key

    Why the Emolysis Free plan is bring your own key, what the model provider sees, and what the paid plans and their model usage will add.

    By Emolysis team

  5. 4 min read

    Dashboards from a question

    Ask a business question; Emolysis is designed to build the tested gold table behind the answer, chart it and share it as a link you control.

    By Emolysis team

  6. 4 min read

    Tests before production

    Why nothing in Emolysis is designed to reach your platform until its golden tests pass on DuckDB, and what golden tests do not prove.

    By Emolysis team

  7. 4 min read

    The ten pipeline shapes

    Most production data engineering follows about ten shapes. Why Emolysis is designed to start every pipeline from a tested template for one of them.

    By Emolysis team

  8. 4 min read

    Why local-first data engineering

    Iterate on your machine with DuckDB, prove the logic with golden tests, deploy only what passes. What local-first means, and what it does not.

    By Emolysis team

  9. 5 min read

    Introducing Emolysis

    We are building Emolysis, a local-first coding agent for data engineering and BI, starting with Databricks. What it will do and where it stands.

    By Emolysis team