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ELK Stack is a good choice, even though i use elastic search + gray log for logging purposes. Experience with elastic search, several hundreds of GB are not an issue, u can in any case, easily increase capacity adding new nodes to it. Graylag has an API which you could use in any other app


SQL is a special-purpose programming language designed for managing data in a relational database, and is used by a huge number of apps and organizations. Watch this Video to learn basics of SQL.


For projects using Visual Studio, I'd almost invariably recommend using SQL Server Express. The product is free to use, as long as you can live with the limitations: Microsoft SQL Server Express supports 1 physical processor, 1 GB memory, and 10 GB relational storage. I'd expect for an ATM project you won't be locally storing a lot of data, so that shouldn'...

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