Composite Keys: A Guide on How to Handle Themby@kevinmasur
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Composite Keys: A Guide on How to Handle Them

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Most of the time, just keep it simple. Combine your composite keys into a string key for storage in a map or cache if that is the easiest option and performance is not a major concern. In scenarios where performance is critical, make sure to do your own testing. But using nested maps will be the most performant in most cases. It will also likely have the smallest storage requirements. And composite keys are still a performant alternative when nesting mappings become impractical.
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@kevinmasur

Kevin Masur

Software Engineer with a focus on Java, Testing, CI/CD, Databases, and Web Development


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