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The conventions applied to data within a given location. For example it may be valid in the data model to store a string for the telephone number but if some values are in the form "0207 927352", some are "UK: 0207 927352" and some are "+44 207 927352" then understanding that these all refer to the same number can be a challenge. Typically these type of issues are addressed by having comprehensive documentation of the ways that the data form is used in practice. Links to this pageThe following pages link to here: Data Form, Data Migration, Data Model, Format |