JPA has its own query language and supports native SQL. You can create queries in a very similar way as JPQL queries and they can even return managed entities.
If you've heard the buzz about Jenkins for CI/CD and want to get started, this guide will teach you all the steps (and workarounds for problems) you'll need.
Let's take a look at a possible blockchain implementation using Java. We build up from first principles and develop some code to help show how it all fits together.
pt-table-checksum is a robust tool that validates data between master/slaves in a replication environment. However, in some scenarios, the task can be quite challenging.
Get caught up with the answer to the previous quiz on overloading methods, and try your hand at this quiz, which deals with improving the encapsulation of your code.
See how Future and ExecutorService work independently and how they can be combined to solve issues with intense calculations, background tasks, and more.
Walk through 2 approaches of setting your InnoDB buffer pool size value, examine their pros and cons, and consider a unique method to arrive at an optimum value based on RAM size.