Integrity « Development « JPA Q&A

1. hibernate modelling many to many preserving integrity stackoverflow.com

I'm trying to model a subset of my domain and I want to solve this problem as simply as possible in hibernate. See picture 1 for the basic modelling. The problem with ...

2. Referential integrity with One to One using hibernate stackoverflow.com

I'm having two tables -

Foo { foo_id, name }
Foo_properties { fp_id, foo_id, phoneNumber}

Now I want to map this in my object model using hibernate.. I need a foo_id in Foo_properties ...

3. how hibernate maintain referential integrity coderanch.com

I have the following scenario: Many employees can share the same address. For which i have the following POJO classes: 1. Employee class that has properties name, designation of String type and address of Address type. 2. Address class that has properties homeNum, sector and block of String type. The below is the Employee and Address POJO class: package com.nbsl.persistence; import ...

4. Can you have referential integrity in Hibernate? forum.hibernate.org

Hi, I'm new to Hibernate and I have a problem which I have been googling it for hours. Basically, I have a one-to-many relationship between table A and table B. What I would like to do is to prevent a record from being inserted into table A unless its foreign key is actually referencing an existing record in table B. Does ...

5. Please help! referential integrity violation forum.hibernate.org

I'm using Hibernate 2.0.3. My mapping file where generated with Middlegen R3. OpTurno ...

6. Referental Integrity forum.hibernate.org

Hello. I'd like to ask is it possible to make Hibernate work without referential integrity? For the case we face there's a running DBMS and it's the one without referential integrity defined. We have no right to change it. For some version of DBMS such as MySQL there's no referential integrity. We want the mapping do be done without that. How ...

7. breaking data integrity forum.hibernate.org

Hi! I have two tables, Users and Events... The relationship is described as (one) Event know about which (one) User who registered the event. A user does not know what events it have registered. Looks like a one way directional one-to-one relationship, right? But I figured i could get away with many-to-one by using the primary key from Users as a ...

8. optionally enforcing referential integrity forum.hibernate.org

I have a many-to-one unidirectional relationship from the many side and would like to delete the 'one side'. Currently when trying to delete the 'one,' I get a referential integrity violation. Does hibernate support not enforcing referential integrity in this case? eg: Foo has a many-to-one of Bar. Delete Bar. Foo.getBar() should return null. Is this possible? Thanks, Mike

9. Ways to Handle Referential Integrity ? forum.hibernate.org

Hey I am newbie to Hibernate and I have the below issue. What is the best way in Handling Referential Integrity ? Actullay I have a code table which has entries different code types like state , country etcc.. Like id , code_type , value , description I am using this general code as a property in many tables. In few ...

10. Keep the referential integrity in Hibernate? forum.hibernate.org

I am really new to Hibernate. I need to do this: I have two tables: table questions: ID, Answer, StudentId Table student: ID, Name, Email. Page flow is like this: Page1: question form-- click continue---Page2: student info form--submit. I have made the mapping for two classes: questions and student. How can I make sure the same "StudentId" in questions table will ...