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  • Sometimes novel concepts do need a name and perhaps 'data lake' is one of these. It means a great big... er... pool of all an organisation's data, but the important bit is that it contains unstructured data as well as structured data.

    As opposed to 'data warehouse', or even 'great big database' which imply an overall structure. I'm reminded of EU food surpluses being described as 'butter mountains' and 'milk lakes'.

    Reading Wikipedia to check where it originated, I'm amused by:

    A data swamp is a deteriorated data lake, that is inaccessible to its intended users and provides little value.

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