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What Is Eclipce Link
The EclipseLink MOXy component enables Java developers to efficiently bind Java classes to XML or JSON. MOXy implements JAXB as well as SDO standards allowing developers to provide their mapping information through annotations as well as providing support for storing the mappings in XML format.
In other way EclipseLink is an open-source object-relational mapping (ORM) framework for Java. It provides capabilities for mapping Java objects to relational database tables and vice versa. EclipseLink is often used in Java EE (Enterprise Edition) and Java SE (Standard Edition) applications to simplify database access and management
1.ORM Mapping: EclipseLink allows developers to map Java objects to database tables and vice versa using XML configuration, annotations, or a combination of both. This mapping enables seamless interaction between Java code and relational databases, abstracting away the complexities of SQL queries and database operations.
2.JPA Implementation: EclipseLink is the reference implementation of the Java Persistence API (JPA), which is a standard Java EE specification for ORM frameworks. JPA provides a set of interfaces and annotations for defining object-relational mappings, and EclipseLink implements these specifications to provide ORM capabilities.
3.Caching: EclipseLink includes a powerful caching mechanism that improves application performance by reducing the number of database queries and optimizing data access. It supports various caching strategies, including object-level caching, query caching, and shared (distributed) caching.
4.Querying: EclipseLink offers a rich set of query capabilities for retrieving data from the database. It supports JPQL (Java Persistence Query Language), which is a SQL-like query language for querying entities mapped with JPA. Additionally, EclipseLink provides support for native SQL queries and criteria queries.