Beginners ask whether there is concurrency among hundreds of thousands of users in traditional business systems.

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has been doing the traditional business system, these days suddenly think of a question? Is the traditional business system if two users log in to the business system at the same time? If you modify a certain data in the system at the same time, will there be concurrency? Because both AB users read a record first, and then manipulate the data at the same time. Is it because I mostly use mysql and oracle data in the database that the database is prioritized when it receives two change operations at the same time?

Java spring tomcat mysql git

Mar.22,2021

will also have concurrency. In general, you can control it through transactions and optimistic locks

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