advancedSpring Data JDBC vs. Spring Data JPA
What's the fundamental architectural difference between Spring Data JDBC and Spring Data JPA?
Spring Data JDBC has no persistence context at all — no first-level cache, no dirty checking, no lazy loading. Every save() is explicit and immediate, and every load fetches the full aggregate eagerly, every time. Spring Data JPA's entire persistence-context machinery (this course's Chapter 4) simply doesn't exist in Spring Data JDBC.
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