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Data Engineering in 2022: ELT tools
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Working with the raw data has lots of benefits, since at the point of ingest you dont know all of the possible uses for the data. If you rationalise that data down to just the set of fields and/or aggregate it up to fit just a specific use case then you lose the fidelity of the data that could be useful elsewhere. This is one of the premises and benefits of a data lake done well. keep it at a manageable size. Of course, despite what the TextQuoteSelector
https://rmoff.net/2022/11/08/data-engineering-in-2022-elt-tools/
absolutely right - there's also a data provenance angle here - it is useful to be able to point to a data point that is 5 or 6 transformations from the raw input and be able to say "yes I know exactly where this came from, here are all the steps that came before" 2022-11-20T11:18:31.041323+00:00 https://rmoff.net/2022/11/08/data-engineering-in-2022-elt-tools/ acct:ravenscroftj@hypothes.is
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James Ravenscroft
https://rmoff.net/2022/11/08/data-engineering-in-2022-elt-tools/
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data-science
ELT
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reply /replies/2022/11/20/1668943111
Working with the raw data has lots of benefits, since at the point of ingest you dont know all of the possible uses for the data. If you rationalise that data down to just the set of fields and/or aggregate it up to fit just a specific use case then you lose the fidelity of the data that could be useful elsewhere. This is one of the premises and benefits of a data lake done well.
absolutely right - there's also a data provenance angle here - it is useful to be able to point to a data point that is 5 or 6 transformations from the raw input and be able to say "yes I know exactly where this came from, here are all the steps that came before"