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Using Projections in Hibernate
26 Jul, 14

Using Projections in Hibernate

by | Jul 26, 2014 | Hibernate, Java | Last updated at July 13, 2020

Hi Guys, I am back with another post titled “Using Projections in Hibernate”. When we deal with large objects(containing multiple attributes) we use Projections to select only a subset of attributes of an object. It helps in avoiding unnecessary column...
Inheritance in Hibernate
23 Jul, 14

Inheritance in Hibernate

by | Jul 23, 2014 | Hibernate, JPA | Last updated at July 8, 2020

Inheritance is one of the biggest mismatch between object oriented model and relational model(SQL based models) because object oriented paradigm supports both Is a(Inheritance) and Has a(Association) relationship. But relational models support only Has a relationship...
Filtering Records using Hibernate Criteria
12 Jul, 14

Filtering Records using Hibernate Criteria

by | Jul 12, 2014 | Hibernate | Last updated at July 16, 2020

Hi Guys! I am back with a new blog post titled “Filtering Records using Hibernate Criteria”. I often use Hibernate Criteria in my project whenever a new entity is added and I need to implement certain filters on it. The Hibernate Session provides...
One-To-One mapping with shared primary keys
13 Apr, 14

One-To-One mapping with shared primary keys

by | Apr 13, 2014 | Hibernate | Last updated at July 16, 2020

Here’s a simple example of how to share primary keys between two persistent entities having one-to-one association. We’ll have a User entity which has one address. Here’s the User POJO: public class User { Long id; Address address; String username;...