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  • Data vendor tear sheets and why they matter

    June 12, 2020 by

    In our last post, we explored how the meaning and importance of data dictionaries have changed over time. 20 years ago, a data dictionary referred to a list of field names and types spit out by a database. Now, a data dictionary serves as a sort of spec sheet for a dataset: it must be… Read more

  • Why does everyone hate their data dictionary?

    December 23, 2019 by

    Why does everyone hate their data dictionary? A sort of meta-spreadsheet, a data dictionary on its face sounds like a relatively simple thing. It is a document describing the meaning of a dataset. Typically this includes field names and types (e.g. integer, unicode, float) and maybe some annotations that describe the lineage of the data (where did it come from) and the business definition. But as with many workflows that are captured in spreadsheets, things can go awry very quickly.

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