Version control is the means by which different versions and drafts of a document (or file, or record, or dataset) are managed. It involves a process of naming and distinguishing between a series of draft documents which lead to a final (or approved) version, which in turn may be subject to further amendments.
It therefore provides an audit trail for the revision and update of draft and final versions.
Version control is particularly important for documents that undergo a lot of revision and redrafting and also important if you are working on a collaborative document with a number of contributors.
There are a variety of version control strategies that you can use to keep track of the correct version of your data, e.g.:
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