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Jakarta Persistence
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<p>Jakarta Persistence, also known as JPA (abbreviated from formerly name Java Persistence API) is a <a href="/facts/Jakarta_EE/7AAStd35">Jakarta EE</a> <a href="/facts/Application_programming_interface/GMlN4vUr">application programming interface</a> specification that describes the management of <a href="/facts/Relational_data_model/VFf4dDIU">relational data</a> in enterprise <a href="/facts/Java_(software_platform)/fpn6x8WL">Java</a> applications. </p><p><a href="/facts/Persistence_(computer_science)/frF0o2q2">Persistence</a> in this context covers three areas: </p> <ul><li>The <a href="/facts/Application_programming_interface/GMlN4vUr">API</a> itself, defined in the <a href="https://jakarta.ee/specifications/platform/9/apidocs/jakarta/persistence/package-summary.html">jakarta.persistence</a> package (<a href="https://javaee.github.io/javaee-spec/javadocs/javax/persistence/package-summary.html">javax.persistence</a> for Jakarta EE 8 and below)</li> <li>The <a href="/facts/Jakarta_Persistence_Query_Language/HcoIv7ff">Jakarta Persistence Query Language</a> (JPQL; formerly Java Persistence Query Language)</li> <li><a href="/facts/Object%25E2%2580%2593relational_mapping/sjIPEIfq">Object/relational metadata</a></li></ul> <p>The <a href="/facts/Reference_implementation/k9B97xel">reference implementation</a> for JPA is <a href="/facts/EclipseLink/atNU4rva">EclipseLink</a>. </p>