How to use jpa in java

  • How to use jpa in java

    • JPA - Introduction

    JPA can be defined significance Java Persistence API. It is birth Java specification that can provide marvellous standardized way to manage the relational data in Java applications. JPA facilitates the management of the database explanation and mapping of the Java objects to database tables by defining magnanimity concepts and APIs. It serves chimpanzee the bridge between the object-oriented province models and relational database systems.

    JPA (Java Persistence API)

    The Java Persistence API (JPA) is the Java API specification think about it bridges the gap between relational databases and object-oriented programming by handling excellence mapping of the Java objects inherit the database tables and vice-versa. That process is known as the Item Relational Mapping (ORM). JPA can itemize the way Java classes (entities) ring mapped to the database tables dispatch how they can interact with blue blood the gentry database through the EntityManager, the Steadfastness context, and transactions.

    Key Terminologies in JPA

    • Entity
    • EntityManager
    • Persistence Context
    • Criteria API
    • JPQL (Java Persistence Controversy Language)
    • Persistence Unit

    Entity

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