INTEGER, Used for whole numbers., CHARACTER, Used for single letters, XML, used format for data exchange because it gives good opportunities to keep the structure in the data and the way files are built on,, ERD, Data modelling, Data Silo, group of raw data accessible by one department and not the other, HDD, spinning disk, Data lake, data store that holds unstructured data, Geospatial data, example include satnav maps

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