Suggested feature: SQLite file format

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The SQLite 3 format is one of the dataset formats recommended by the Library of Congress as a digital preservation format:

https://www.loc.gov/preservation/digital/formats/fdd/fdd000461.shtml

Unlike CSV, it can represent multiple tables in a single file. It is also a useful engine for performing basic cleanup and postprocessing tasks without having to first import the data into another tool.