JPA
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Enterprise Java
How to map PostgreSQL Enums to JPA entity properties using Hibernate
Introduction The open-source hibernate-types project allows you to map JSON, ARRAY, YearMonth, Month or database-specific columns (e.g. INET addresses). In…
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Enterprise Java
Restful API using Spring Rest & Spring Data JPA & H2 with Spring Boot Example
Hello Friends, In this tutorial, you will learn the following : 1. Configuring Spring Rest, Spring Data JPA and H2…
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Enterprise Java
Spring Data JPA with central exception handling and VO validations – framework
1. Introduction Over the time, Spring framework became the de-facto standard to create any applications that are REST API based.…
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Enterprise Java
OpenLiberty: Error on Injection, works on TomEE and Wildfly
While I was working on this blog, I encountered this error: [INFO ] DSRA8203I: Database product name : MySQL [INFO…
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Enterprise Java
Exact Matching of a String Containing a Wild Card in QueryDSL
On one of our recent projects, our client asked for a single search field that would be able to search…
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Enterprise Java
Spring Data JPA Tutorial
Managing data between java classes or objects and the relational database is a very cumbersome and tricky task. The DAO…
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Enterprise Java
Automatic save of managed JPA entities outside of transaction
Repositories and transactions in Spring go hand in hand. All database access in Spring should be run inside a transaction,…
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Enterprise Java
JPA Tips: Avoiding the N + 1 select problem
Introduction ORM frameworks like JPA simplifies our development process by helping us to avoid lots of boilerplate code during the…
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Enterprise Java
Spring Boot & JPA & Hibernate & Oracle
In this tutorial we show how to create a Spring Boot application that communicates with an Oracle data source through…
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