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What is the default implementation of concurrency control in MySQL? Is it optimistic locking (multi version concurrency control), or pessimistic …
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The bounty expires in 4 days. Answers to this question are eligible for a +50 reputation bounty. Jacky1205 is looking …
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I have a backend with loopback 4 and a database in mysql, I am handling transactions exactly as the official …
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Problem? I have a Rails5 application. I have two models. Team and Players. The association is has_many & belongs_to in …
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I need to write a test which shows that my transaction is triggering. ClientDAOImpl.java – file with a transcational methods. …
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Let’s say I have a code like this: public class Test{ DataSource ds1; DataSource ds2; DataSource ds3; UserTransaction userTransaction; … …
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When I try to test how my transaction is triggered, it does not roll back. Although the opposite is written …
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I would like to create a page in my web application where the user can (somewhat) freely execute some queries, …
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