Jpa Questions

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Compound keys in JPA

I want to make an entity that has an autogenerated primary key, but also a unique compound key made up of two other fields. how do i do this in
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Spring-Boot MVC JPA Filters

Let me start by saying i'm fairly new to spring boot so apologies if i'm making a silly mistake somewhere. i am trying to retrieve the value of my

One-Many Relationship in Jpa

I want to get data from my entity with 1-m relationships. users have an entity for cv information.with jparepo, cv class : @entity
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Android room relations

I have two entities that looks like this (simplified for reading purposes). @entity public class machine { @primarykey
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QueryDSL 4.1.4, Jpa GROUP BY Date

I have troubles on grouping my query by date. i need to consolidate some data in daily manner in querydsl 4.1.4. there is almost none

JPQL inner join query

I am stuck in a tricky situation while writing a jpql query, following are my tables:- order_ order_id
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Update by JPA native query

I am using spring boot repository with native query. while i am trying to update few fields by query and supply wrong values it is not throwing
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