JPA & Hibernate - Why, When & How to use DTO Projections

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DTOs are easy to use and the most efficient projection for read-only operations. So, whenever you don’t need to change the requested information, you should prefer a DTO projection.
But what exactly is a DTO? How does such a projection work with Hibernate? And how can you use it in your queries?
I will answer all of these questions in this video. And I will even show you a way to use a DTO projection that doesn’t require a custom DTO class.

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#DTO #Projection #JPA #Hibernate
  1. Thorben Janssen
  2. Hibernate
  3. JPA
  4. How to
  5. Tutorial
  6. Beginners
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Комментарии
Автор

Good day, everyone!!! Thank you very much, very needed information

Serhiy-Nechosov
Автор

Is there an out of the box way to create such a projection with nested fields like, for example, List<Item> items; ?
And if here is no way to do that what do you suggest to do when you actually need to build such a projection?

Quester
Автор

Hi, how can we verify that Dto projections are more performative than eg entity projections? Thanks.

MrMikomi
Автор

@ThorbenJanssen How to use the nested DTO data Projection

shubhamchauduary
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Much needed information. Do they support nested DTO projection? Like objects with collection objects.

ajayuyyala
Автор

Hello Thorben Janssen,
Please provide the entire source code

ganeshvbidwe