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1

The same problems exist with a single server too. What if two users connected to the same server update the same balance at the same time? What if the same user opens two tabs in the browser, or two different browsers, or simply connects from two devices such as a PC and a smartphone, at the same time? What happens more often that the application performs ...


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This is called sharding in MongoDB and partitioning in SQL Server. If the website actually uses “huge amounts of data”, sharding/partitioning is already implemented. You may probably want to rethink what data you actually need to retrieve, how is it used and how do you store it. If you do auto-completion on product names, you probably don't need to retrieve ...



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