If you really need "high-speed inputs," then back-normalizing it after the fact won't really be an option either, since you will need that I/O bandwidth to keep up with your input. If all you want is ...
Long spreadsheets with a lot of entries can sometimes mistakenly have multiple instances of the same data. It's easy to remove them in Google Spreadsheet by making a simple script, says MakeUseOf. In ...
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