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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