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Results tagged with jpa
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user 187465
The Java Persistence API (JPA) is a Java specification for accessing, persisting, and managing data between Java objects/classes and a relational database. It is part of the EJB 3.0 specification and is the industry standard approach for Object to Relational Mapping (ORM).
0
votes
Entity objects with data external to the database
The duplicate airplaneId is not as big of a problem as the fact that your entity knows about an ExternalDataSource. It should not be responsible for fetching the Airplane, it's just an entity that doe …
- 1,950
2
votes
Best practices for retrieving data scattered over multiple tables
Data Transfer Objects are used (among other things) so you don't send your entities over the network, and therefore create a dependency between the entity and the output of your API, this is why you m …
- 1,950
2
votes
Query with a lot of fields and joins
Even using query with a smaller list of fields, I think the JPA will
have to create all the main entities. …
- 1,950
1
vote
Accepted
In a Spring Boot Project, would you use interfaces for entities or not?
Disclaimer: These assumptions are based on a quick glance at the codebase
It looks as if the interfaces are used as a "disguise" for entities to be directly used as domain objects / dtos. This does h …
- 1,950