@CreatedBy private String createdBy;
Below is a structured, in-depth guide that mirrors the depth you’d expect from a Packt publication. 1. Core Philosophy of Spring Data Spring Data is not a single library but an umbrella project. Its goal: reduce boilerplate data access code while providing a consistent programming model across different database technologies (SQL, NoSQL, Map-Reduce, etc.). spring data spring data packt .pdf checked
Repository (marker) ├── CrudRepository<T, ID> ├── PagingAndSortingRepository<T, ID> └── JpaRepository<T, ID> (JPA-specific) 3.3 Query Derivation — The Magic Method name → JPQL query automatically. @CreatedBy private String createdBy; Below is a structured,