i create Employee Form where employee can select multiple skills from dropdown and when submit button clicke form will get saved and i have foreignkey ...
i create Employee Form where employee can select multiple skills from dropdown and when submit button clicke form will get saved and i have foreignkey ...
Entity Exercise Master another entity Vm_master Repository of both entity HTML Page while inserting the of all field in html page value ...
Project is based on JPA persistance with two Entities (Deaprtment and Employee) Department(OneToMany) and Employee(ManyToOne) Whenever I send a reques ...
Im having a problem when i want to delete the product from the database, deleting it, it should be removed from all the orders that contain that produ ...
I created two entities: Customer and Car. I used relation @OneToMany because i wanted assign few cars to one customer in database with foreign key use ...
I have created manyToOne relationship between parcel and client tables. Parcel entity is saved, but foreign key (clientId) is set to null in table. ...
I have a one-to-many relationship with Customer and Order entity. This is of a composition relationship. I want to write a query to find out if there ...
I am using hibernate mapping one to many to complete my task. But when I ran the project, it ran into a problem: "Data truncation: Data too long for c ...
I have a Student Class: @Getter @Setter @Entity public class Student { @Id @GeneratedValue(strategy = GenerationType.AUTO) private long i ...
Sure there are many articles about n+1 JPA's problem and also Q&As here, some of them discuss the problem from @OneToMany perspective, others from ...
I have two entities, Post and Comment. Post entity: Comment entity: Left out getters and setters for readability. When I send a POST-request v ...
The following tables were defined for Spring Security. I want to fetch all users and all their associated roles. The table has entry for only one user ...
I have two classes (UmowaEntity and MpkEntity). I replace the @ManyToMany association with two bidirectional @OneToMany associations because I need ad ...
I'm new to java and now I'm writing a simple website for learning. I ran into this problem: User entity: Message entity: Controller: And whe ...
Actually I want to use tree Json response for my react native application. So I build that in spring boot. But due to "children": [] in last child I f ...
In an application using hibernate 5.0.9 have nested parent child relation where parent is relation owner respresented as below. Tables: - I want t ...
I have following: When accessing API endpoint, I get: By getting list of each floor with /api/floors endpoint, my goal is to get list of slots a ...
I am using spring boot to create a REST API. In this API, I have a One to Many relationship between check-in and Guests. I created a controller for ch ...
I'm trying to add children to a pre-existing parent via freemarker. But every time I try, I get the following error: I seems to give a new parent i ...
I am fighting the following problem and I want like to implement a clean solution. Imagine this Entity-Diagramm: A Book has Pages and for every bo ...