Beginners doubt on JPA entity foreign mapping

Hi I am new to jpa's and am learning of foreign key mappings between two table. I need resources to learn on Jakarta JPA manytoone mappings. I had a doubt on it , to me ,JPA seems like an inherited interface to database/sql operations, so why does it matter if we implement foreign key mapping or not ,if it can be handled by Sql engines well ?
4 Replies
JavaBot
JavaBot3mo ago
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dan1st
dan1st3mo ago
Gist
JPA data class checklist and example persistence.xml for EclipseLink
JPA data class checklist and example persistence.xml for EclipseLink - Data_class_checklist.md
dan1st
dan1st3mo ago
it's very simplified but it should work for declaring entities
JavaBot
JavaBot3mo ago
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