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Learn Hibernate Tutorial (2024)
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data-gfg-action="like-article" data-bookmark-value="0"> <i class="gfg-icon gfg-icon_thumbs"></i> </button> --> </div> <div class="article--viewer_Gnews tooltip"> <a class="three_dot_dropdown_inner_div Gnews_wrapper" href ='https://news.google.com/publications/CAAqBwgKMLTrzwsw44bnAw?hl=en-IN&gl=IN&ceid=IN%3Aen' target="_blank"> <img class="gfg-icon_Gnews no-zoom-in-cursor" src=https://media.geeksforgeeks.org/auth-dashboard-uploads/Google-news.svg loading="lazy" alt="News"></img> <span class='kebab_menu_news_text'>Follow</span> </a> </div> </div> </div> <div class="text"> <p dir="ltr" style="text-align: justify;"><span>Hibernate is the most used Object/Relational persistence and query service and It is licensed under the open-source GNU Lesser General Public License (LGPL). Hibernate not only see the mapping from Java classes to database tables but also provides data query and recovery facilities. Hibernate is free to download. </span></p> <p dir="ltr" style="text-align: justify;"><span>This </span><b><strong>Hibernate Tutorial</strong></b><span> is tailored for both beginners and experienced professionals, It helps you to use Hibernate to create database-based web applications in simple and easy steps and learn fundamental and advanced concepts of Hibernate including setting up Hibernate, mapping Java classes to database tables, performing basic and advanced database operations, utilizing Hibernate Query Language (HQL), and more.</span></p> <p><img alt="Hibernate Tutorial" height="470" src="https://media.geeksforgeeks.org/wp-content/cdn-uploads/20230624142246/Hibernate-Tutorial.png" width="1000"/></p> <h2 id="what-is-hibernate-framework"><b><strong>What is Hibernate Framework?</strong></b></h2> <p dir="ltr" style="text-align: justify;"><span>Hibernate is a Java framework, licensed under the open-source GNU Lesser General Public License (LGPL), and is available for free download. Developed in 2001 by Gavin King, Hibernate was introduced as a groundbreaking alternative to the EJB2-style entity bean approach. By mapping Java objects to database tables, it streamlines data persistence and retrieval without the need for complex SQL queries. With features like automatic transaction management and caching, Hibernate simplifies and optimizes database interactions, making it an indispensable framework for efficient data management in Java applications.</span></p> <h2 id="what-is-jdbc"><span>What is JDBC?</span></h2> <p dir="ltr" style="text-align: justify;"><span>JDBC </span><b><strong>(Java Database Connectivity)</strong></b><span> provides a set of Java APIs to access the relational databases from the Java program. Java APIs enable programs to execute SQL statements and interact with any SQL database.</span></p> <p dir="ltr" style="text-align: justify;"><span>JDBC gives a flexible architecture to write a database-independent web application that can execute on different platforms and interact with different DBMS without any change.</span></p> <h2 id="orm-tool"><span>ORM Tool</span></h2> <p dir="ltr" style="text-align: justify;"><span>An ORM tool simplifies the data creation, data manipulation and data access and It is a programming technique that maps the object to the data stored in the database.</span></p> <div style="width: 810px" class="wp-caption alignnone"><img alt="ORM Tool" height="inherit" loading="lazy" src="https://media.geeksforgeeks.org/wp-content/uploads/20230619125144/Sender2.png" srcset="https://media.geeksforgeeks.org/wp-content/uploads/20230619125144/Sender2.png 600w, https://media.geeksforgeeks.org/wp-content/uploads/20230619125144/Sender2-100.png 100w, https://media.geeksforgeeks.org/wp-content/uploads/20230619125144/Sender2-200.png 200w, https://media.geeksforgeeks.org/wp-content/uploads/20230619125144/Sender2-300.png 300w, " width="600"/><p class="wp-caption-text">ORM Tool </p></div> <p dir="ltr" style="text-align: justify;"><span>The ORM tool internally uses the JDBC API to interact with the database. </span></p> <h2 id="what-is-jpa"><span>What is JPA?</span></h2> <ul> <li value="1"><span>Java Persistence API (JPA) is a Java specification that provides specific functionality and is a standard for ORM tools. </span></li> <li value="2"><b><strong>javax.persistence</strong></b><span> package contains the JPA classes and interfaces.</span></li> </ul> <div id="table_of_content"> <p style="margin:4px; font-size:20px; font-weight:bold;">Table of Content</p> <ul> <li><a href="#hibernate-basics">Hibernate Basics</a></li> <li><a href="#core">Core Hibernate</a></li> <li><a href="#hibmapping">Hibernate Mapping</a></li> <li><a href="#annotation">Hibernate Annotations</a></li> <li><a href="#spring">Hibernate with Spring Framework</a></li> <li><a href="#database">Hibernate with Database</a></li> <li><a href="#log4j">Hibernate Log4j</a></li> <li><a href="#mapping">Inheritance Mapping</a></li> <li><a href="#hibernate-advantages">Hibernate Advantages</a></li> <li><a href="#hibernate-supported-databases">Hibernate Supported Databases</a></li> </ul> </div> <h2 id="hibernate-basics"><span>Hibernate Basics</span></h2> <ul> <li value="1"><a href="https://www.geeksforgeeks.org/introduction-to-hibernate-framework/" rel="noopener"><span>Introduction to Hibernate Framework</span></a></li> <li value="2"><a href="https://www.geeksforgeeks.org/hibernate-architecture/" rel="noopener"><span>Hibernate Architecture</span></a></li> <li value="3"><a href="https://www.geeksforgeeks.org/hibernate-lifecycle/" rel="noopener"><span>Hibernate Lifecycle</span></a></li> <li value="4"><a href="https://www.geeksforgeeks.org/difference-between-jdbc-and-hibernate-in-java/" rel="noopener"><span>Difference between JDBC and Hibernate in Java</span></a></li> <li value="5"><a href="https://www.geeksforgeeks.org/java-jpa-vs-hibernate/" rel="noopener"><span>JPA vs Hibernate</span></a></li> <li value="6"><a href="https://www.geeksforgeeks.org/hibernate-difference-between-orm-and-jdbc/" rel="noopener"><span>Hibernate – Difference Between ORM and JDBC</span></a></li> <li value="7"><a href="https://www.geeksforgeeks.org/hibernate-example-using-xml-in-eclipse/" rel="noopener"><span>Hibernate Example using XML in Eclipse</span></a></li> <li value="8"><a href="https://www.geeksforgeeks.org/hibernate-create-hibernate-configuration-file-with-the-help-of-plugin/" rel="noopener"><span>Hibernate – Create Hibernate Configuration File with the Help of Plugin</span></a></li> </ul> <h2 id="core"><span>Core Hibernate</span></h2> <ul> <li value="1"><a href="https://www.geeksforgeeks.org/hibernate-cache-eviction-with-example/" rel="noopener"><span>Hibernate – Cache Eviction with Example</span></a></li> <li value="2"><a href="https://www.geeksforgeeks.org/hibernate-cache-expiration/" rel="noopener"><span>Hibernate – Cache Expiration</span></a></li> <li value="3"><a href="https://www.geeksforgeeks.org/hibernate-enable-and-implement-first-and-second-level-cache/" rel="noopener"><span>Hibernate – Enable and Implement First and Second Level Cache</span></a></li> <li value="4"><a href="https://www.geeksforgeeks.org/hibernate-pagination/" rel="noopener"><span>Hibernate – Pagination</span></a></li> <li value="5"><a href="https://www.geeksforgeeks.org/hibernate-different-cascade-types/" rel="noopener"><span>Hibernate – Different Cascade Types</span></a></li> <li value="6"><a href="https://www.geeksforgeeks.org/hibernate-caching/" rel="noopener"><span>Hibernate – Caching</span></a></li> <li value="7"><a href="https://www.geeksforgeeks.org/hibernate-eager-lazy-loading/" rel="noopener"><span>Hibernate – Eager/Lazy Loading</span></a></li> <li value="8"><a href="https://www.geeksforgeeks.org/hibernate-get-and-load-method/" rel="noopener"><span>Hibernate – get() and load() Method</span></a></li> <li value="9"><a href="https://www.geeksforgeeks.org/hibernate-validator-with-example/" rel="noopener"><span>Hibernate Validator with Example</span></a></li> <li value="10"><a href="https://www.geeksforgeeks.org/hibernate-batch-processing/" rel="noopener"><span>Hibernate – Batch Processing</span></a></li> <li value="11"><a href="https://www.geeksforgeeks.org/hibernate-interceptors/" rel="noopener"><span>Hibernate – Interceptors</span></a></li> <li value="12"><a href="https://www.geeksforgeeks.org/hibernate-criteria-queries/" rel="noopener"><span>Hibernate – Criteria Queries</span></a></li> <li value="13"><a href="https://www.geeksforgeeks.org/hibernate-create-pojo-classes/" rel="noopener"><span>Hibernate – Create POJO Classes</span></a></li> <li value="14"><a href="https://www.geeksforgeeks.org/hibernate-web-application/" rel="noopener"><span>Hibernate – Web Application</span></a></li> <li value="15"><a href="https://www.geeksforgeeks.org/hibernate-generator-classes/" rel="noopener"><span>Hibernate – Generator Classes</span></a></li> <li value="16"><a href="https://www.geeksforgeeks.org/hibernate-example-without-ide/" rel="noopener"><span>Hibernate Example without IDE</span></a></li> </ul> <h2 id="hibmapping"><span>Hibernate Mapping</span></h2> <ul> <li value="1"><a href="https://www.geeksforgeeks.org/hibernate-one-to-one-mapping/" rel="noopener"><span>Hibernate – One-to-One Mapping</span></a></li> <li value="2"><a href="https://www.geeksforgeeks.org/hibernate-one-to-many-mapping/" rel="noopener"><span>Hibernate – One-to-Many Mapping</span></a></li> <li value="3"><a href="https://www.geeksforgeeks.org/hibernate-many-to-one-mapping/" rel="noopener"><span>Hibernate – Many-to-One Mapping</span></a></li> <li value="4"><a href="https://www.geeksforgeeks.org/hibernate-many-to-many-mapping/" rel="noopener"><span>Hibernate – Many-to-Many Mapping</span></a></li> <li value="5"><a href="https://www.geeksforgeeks.org/hibernate-component-mapping/" rel="noopener"><span>Hibernate – Component Mapping</span></a></li> <li value="6"><a href="https://www.geeksforgeeks.org/hibernate-mapping-list/" rel="noopener"><span>Hibernate – Mapping List</span></a></li> <li value="7"><a href="https://www.geeksforgeeks.org/hibernate-collection-mapping/" rel="noopener"><span>Hibernate – Collection Mapping</span></a></li> <li value="8"><a href="https://www.geeksforgeeks.org/hibernate-bag-mapping/" rel="noopener"><span>Hibernate – Bag Mapping</span></a></li> <li value="9"><a href="https://www.geeksforgeeks.org/hibernate-difference-between-list-and-bag-mapping/" rel="noopener"><span>Hibernate – Difference Between List and Bag Mapping</span></a></li> <li value="10"><a href="https://www.geeksforgeeks.org/hibernate-sortedset-mapping/" rel="noopener"><span>Hibernate – SortedSet Mapping</span></a></li> <li value="11"><a href="https://www.geeksforgeeks.org/hibernate-sortedmap-mapping/" rel="noopener"><span>Hibernate – SortedMap Mapping</span></a></li> <li value="12"><a href="https://www.geeksforgeeks.org/hibernate-bidirectional-association/" rel="noopener"><span>Hibernate – Bidirectional Association</span></a></li> <li value="13"><a href="https://www.geeksforgeeks.org/hibernate-lazy-collection/" rel="noopener"><span>Hibernate – Lazy Collection</span></a></li> </ul> <h2 id="annotation"><span>Hibernate Annotations</span></h2> <ul> <li value="1"><a href="https://www.geeksforgeeks.org/hibernate-annotations/" rel="noopener"><span>Hibernate – Annotations</span></a></li> <li value="2"><a href="https://www.geeksforgeeks.org/hibernate-embeddable-and-embedded-annotation/" rel="noopener"><span>Hibernate – @Embeddable and @Embedded Annotation</span></a></li> </ul> <blockquote> <p dir="ltr"><b><strong>Hibernate JPA Annotations:</strong></b></p> <ul> <li value="1"><span>@Entity</span></li> <li value="2"><a href="https://www.geeksforgeeks.org/spring-data-jpa-table-annotation/" rel="noopener"><span>@Table</span></a></li> <li value="3"><a href="https://www.geeksforgeeks.org/spring-data-jpa-column-annotation/" rel="noopener"><span>@Column</span></a></li> <li value="4"><a href="https://www.geeksforgeeks.org/spring-data-jpa-id-annotation/" rel="noopener"><span>@Id</span></a></li> <li value="5"><a href="https://www.geeksforgeeks.org/hibernate-generatedvalue-annotation-in-jpa/" rel="noopener"><span>@GeneratedValue</span></a></li> <li value="6"><a href="https://www.geeksforgeeks.org/hibernate-version-annotation-with-example/" rel="noopener"><span>@Version</span></a></li> <li value="7"><a href="https://www.geeksforgeeks.org/hibernate-orderby-annotation-with-example/" rel="noopener"><span>@OrderBy</span></a></li> <li value="8"><a href="https://www.geeksforgeeks.org/hibernate-transient-annotation-with-example/" rel="noopener"><span>@Transient</span></a></li> <li value="9"><a href="https://www.geeksforgeeks.org/hibernate-lob-annotation/" rel="noopener"><span>@Lob</span></a></li> </ul> </blockquote> <blockquote> <p dir="ltr"><b><strong>Hibernate Association Mapping Annotations:</strong></b></p> <ul> <li value="1"><a href="https://www.geeksforgeeks.org/hibernate-onetoone-annotation/" rel="noopener"><span>@OneToOne</span></a></li> <li value="2"><a href="https://www.geeksforgeeks.org/hibernate-manytoone-annotation/" rel="noopener"><span>@ManyToOne</span></a></li> <li value="3"><a href="https://www.geeksforgeeks.org/hibernate-onetomany-annotation/" rel="noopener"><span>@OneToMany</span></a></li> <li value="4"><a href="https://www.geeksforgeeks.org/hibernate-manytomany-annotation/" rel="noopener"><span>@ManyToMany</span></a></li> <li value="5"><a href="https://www.geeksforgeeks.org/hibernate-primarykeyjoincolumn-annotation/" rel="noopener"><span>@PrimaryKeyJoinColumn</span></a></li> <li value="6"><span>@JoinColumn</span></li> <li value="7"><a href="https://www.geeksforgeeks.org/hibernate-mapsid-annotation/" rel="noopener"><span>@MapsId</span></a></li> </ul> </blockquote> <h2 id="spring"><span>Hibernate with Spring Framework</span></h2> <ul> <li value="1"><a href="https://www.geeksforgeeks.org/spring-hibernate-configuration-and-create-a-table-in-database/" rel="noopener"><span>Spring Hibernate Configuration and Create a Table in Database</span></a></li> <li value="2"><a href="https://www.geeksforgeeks.org/spring-orm-example-using-hibernate/" rel="noopener"><span>Spring ORM Example using Hibernate</span></a></li> <li value="3"><a href="https://www.geeksforgeeks.org/spring-boot-validation-using-hibernate-validator/" rel="noopener"><span>Spring Boot – Validation using Hibernate Validator</span></a></li> <li value="4"><a href="https://www.geeksforgeeks.org/how-to-create-a-project-using-spring-mvc-and-hibernate-5/" rel="noopener"><span>How to Create a Project using Spring MVC and Hibernate 5?</span></a></li> <li value="5"><a href="https://www.geeksforgeeks.org/spring-boot-integrating-hibernate-and-jpa/" rel="noopener"><span>Spring Boot – Integrating Hibernate and JPA</span></a></li> </ul> <h2 id="database"><span>Hibernate with Database</span></h2> <ul> <li value="1"><a href="https://www.geeksforgeeks.org/hibernate-save-image-and-other-types-of-values-to-database/" rel="noopener"><span>Hibernate – Save Image and Other Types of Values to Database</span></a></li> <li value="2"><a href="https://www.geeksforgeeks.org/hibernate-native-sql-query-with-example/" rel="noopener"><span>Hibernate Native SQL Query with Example</span></a></li> <li value="3"><a href="https://www.geeksforgeeks.org/crud-operations-using-hibernate/" rel="noopener"><span>CRUD Operations using Hibernate</span></a></li> <li value="4"><a href="https://www.geeksforgeeks.org/automatic-table-creation-using-hibernate/" rel="noopener"><span>Automatic Table Creation Using Hibernate</span></a></li> <li value="5"><a href="https://www.geeksforgeeks.org/hibernate-native-sql/" rel="noopener"><span>Hibernate – Native SQL</span></a></li> <li value="6"><a href="https://www.geeksforgeeks.org/hibernate-sql-dialects/" rel="noopener"><span>Hibernate – SQL Dialects</span></a></li> <li value="7"><a href="https://www.geeksforgeeks.org/hibernate-query-language/" rel="noopener"><span>Hibernate – Query Language</span></a></li> <li value="8"><a href="https://www.geeksforgeeks.org/hibernate-example-using-jpa-and-mysql/" rel="noopener"><span>Hibernate Example using JPA and MySQL</span></a></li> </ul> <h2 id="log4j"><span>Hibernate Log4j</span></h2> <ul> <li value="1"><a href="https://www.geeksforgeeks.org/hibernate-logging-by-log4j-using-xml-file/" rel="noopener"><span>Hibernate – Logging by Log4j using xml File</span></a></li> <li value="2"><a href="https://www.geeksforgeeks.org/hibernate-logging-by-log4j-using-properties-file/" rel="noopener"><span>Hibernate – Logging By Log4j Using Properties File</span></a></li> </ul> <h2 id="mapping"><span>Inheritance Mapping</span></h2> <ul> <li value="1"><a href="https://www.geeksforgeeks.org/hibernate-inheritance-mapping/" rel="noopener"><span>Hibernate – Inheritance Mapping</span></a></li> <li value="2"><a href="https://www.geeksforgeeks.org/hibernate-table-per-hierarchy-using-xml-file/" rel="noopener"><span>Hibernate – Table Per Hierarchy using XML File</span></a></li> <li value="3"><a href="https://www.geeksforgeeks.org/hibernate-table-per-hierarchy-using-annotation/" rel="noopener"><span>Hibernate – Table Per Hierarchy using Annotation</span></a></li> <li value="4"><a href="https://www.geeksforgeeks.org/hibernate-table-per-concrete-class-using-xml-file/" rel="noopener"><span>Hibernate – Table Per Concrete Class using XML File</span></a></li> <li value="5"><a href="https://www.geeksforgeeks.org/hibernate-table-per-concrete-class-using-annotation/" rel="noopener"><span>Hibernate – Table Per Concrete Class Using Annotation</span></a></li> <li value="6"><a href="https://www.geeksforgeeks.org/hibernate-table-per-subclass-example-using-xml-file/" rel="noopener"><span>Hibernate – Table Per Subclass Example using XML File</span></a></li> <li value="7"><a href="https://www.geeksforgeeks.org/hibernate-table-per-subclass-using-annotation/" rel="noopener"><span>Hibernate – Table Per Subclass using Annotation</span></a></li> </ul> <blockquote> <p dir="ltr"><b><strong>Hibernate Inheritance Mapping Annotations:</strong></b></p> <ul> <li value="1"><a href="https://www.geeksforgeeks.org/hibernate-inheritance-annotation/" rel="noopener"><span>@Inheritance</span></a></li> <li value="2"><span>@DiscriminatorColumn</span></li> <li value="3"><span>@DiscriminatorValue</span></li> </ul> </blockquote> <h2 id="hibernate-advantages"><span>Hibernate Advantages</span></h2> <p dir="ltr"><span>Here are the advantages of Hibernate:</span></p> <ul> <li value="1"><span>Hibernate map Java classes to database tables using XML files.</span></li> <li value="2"><span>It provides APIs for storing and retrieving Java objects directly from the database.</span></li> <li value="3"><span>If there is a change in the database, then we just need to change the XML file properties.</span></li> <li value="4"><span>Abstracts out the unknown SQL types and provides a way to work around standard Java Objects.</span></li> <li value="5"><span>It does not require an application server to operate.</span></li> <li value="6"><span>Manipulates Complex relationships of objects in the database.</span></li> <li value="7"><span>Minimizes database access with smart fetching strategies.</span></li> <li value="8"><span>Simple querying of data.</span></li> </ul> <h2 id="hibernate-supported-databases"><span>Hibernate Supported Databases</span></h2> <p dir="ltr" style="text-align: justify;"><span>Hibernate supports almost all the major RDBMS. Following is a list of a few of the database engines that are supported by Hibernate −</span></p> <ul> <li value="1"><span>HSQL Database Engine</span></li> <li value="2"><span>DB2/NT</span></li> <li value="3"><span>MySQL</span></li> <li value="4"><span>PostgreSQL</span></li> <li value="5"><span>FrontBase</span></li> <li value="6"><span>Oracle</span></li> <li value="7"><span>Microsoft SQL Server Database</span></li> <li value="8"><span>Sybase SQL Server</span></li> <li value="9"><span>Informix Dynamic Server</span></li> </ul> <h2><span>Conclusion</span></h2> <p dir="ltr" style="text-align: justify;"><span>Well, it is a time to warp up this amazing Hibernate tutorial, here we’ve covered the fundamentals of Hibernate, including ORM principles, entity mapping, CRUD operations, querying with HQL and Criteria API, transaction management, and more. Hibernate simplifies database interactions by providing a robust framework that handles object-relational mapping seamlessly. Whether you’re developing small-scale applications or large enterprise systems, Hibernate’s features like caching, lazy loading, and data retrieval optimizations can significantly improve application performance and maintainability.</span></p> <h2 id="hibernate-tutorial-faqs"><span>Hibernate Tutorial – FAQs</span></h2> <h3 id="1-what-is-hibernate-and-why-it-is-used"><b><strong>1. What is Hibernate and why it is used?</strong></b></h3> <blockquote> <p dir="ltr"><span>Hibernate is a Java framework used for simplifying database operations by mapping Java objects to relational database tables.</span></p> </blockquote> <h3 id="2-what-is-the-basics-of-hibernate"><b><strong>2. What is the basics of Hibernate?</strong></b></h3> <blockquote> <p dir="ltr"><span>The basics of Hibernate involve defining mappings between Java classes and database tables, allowing seamless interaction between the two and It abstracts away the complexities of database operations, making it easier to work with databases in Java applications.</span></p> </blockquote> <h3 id="3-is-hibernate-easy-to-learn"><b><strong>3. Is Hibernate easy to learn?</strong></b></h3> <blockquote> <p dir="ltr"><span>Hibernate can be challenging for beginners, but with practice, it becomes easier to learn. A good understanding of Java and basic database concepts is helpful.</span></p> </blockquote> <h3 id="4-what-is-the-difference-between-jdbc-and-hibernate"><b><strong>4. What is the difference between JDBC and Hibernate?</strong></b></h3> <blockquote> <p dir="ltr"><span>The main difference between JDBC and Hibernate is that JDBC is a low-level API that requires manual handling of database connections, writing SQL queries, and managing result sets and Hibernate, on the other hand, is a higher-level ORM framework that automates these tasks, allowing developers to work with Java objects and abstracting away the low-level database operations.</span></p> </blockquote> <div hideAd="MID"></div><br/><div id="AP_G4GR_6"></div> <div class='article_bottom_text'></div><br> <div id="video-tab-content" class="video-tab-content"> <div style="text-align: center; margin: 20px 0px;" id="GFG_AD_InContent_Desktop_728x280"></div> </div> <div class="article-meta-author-details"> <div class="article-meta-author-details-block"> <div class="article-meta-author-details-profile-display"> <div class="article-meta-author-details-profile-display-icon"> <div class="image-wrap"> <img src= https://media.geeksforgeeks.org/wp-content/uploads/20200717172614/authPreLogo.png style="width:35px; height: 35px;border-radius: 25px;" class="avatarprofile_image restrict-popup-gfg" alt="https://media.geeksforgeeks.org/auth/avatar.png"> </div> </div> <div class="article-meta-author-details-profile-display-name" > <div class="info" style="position: unset;"> <div class="name"> <span style="color:#22A779; font-size: 16px; font-weight: 600">GeeksforGeeks</span> </div> </div> </div> </div> </div> <div class="article_bottom_suggestion_wrapper"> <div class="article_bottom_suggestion" data-title="Follow"> <a href='https://news.google.com/publications/CAAqBwgKMLTrzwsw44bnAw?hl=en-IN&gl=IN&ceid=IN%3Aen' target="_blank"> <img class="gfg-icon_Gnews no-zoom-in-cursor" src=https://media.geeksforgeeks.org/auth-dashboard-uploads/Google-news.svg loading="lazy" alt="News"></img> </a> </div> <div class='discussion_panel' data-title='Comments'> <i class='discussion_button' data-gfg-action='loadComments'> </i> </div> <div pid="1027076" class="article--viewer_like tooltip tooltipBottom" data-title="Like Article"> <!-- <span class="tooltiptext likeTooltipBottom">Like Article</span> --> <button id="likeButton" aria-label="like article" data-gfg-action="like-article" data-bookmark-value="0" data-liked="false" style="color: #5B5A5A !important; display: flex; align-items: center; background-color: unset; margin: 0px !important; padding: 5px 0px;"> <i class="author-badge-like-button"></i> <figure id="likeCount" style="margin-left: 3px; margin-top: 4px; color: var(--like-count-color); font-size: 14px; font-weight: 600;" class="favoriteText"></figure> </button> </div> <div class="article_bottom_suggestion" onclick="improveArticleCall()" data-title="Improve"> <span class="improveTooltipBottom">Improve</span> <i class="author-badge-improvement-button"></i> </div> </div> </div> <div class="d-row content-bw "style="margin-top: 20px;"> <div class="article-pgnavi_prev"> </div> <div class="article-pgnavi_next"> <a href="https://www.geeksforgeeks.org/hibernate-native-sql/?ref=next_article" class="pg-head"> <span style="margin-right: 5px; margin-left: auto;">Next Article</span> <span class="gfg-icon gfg-icon_next"></span> </a> <!-- <div class="pg-meta">8 Min Read | <a href="#">Java</a></div> --> <div class="pg-main"> <a href="https://www.geeksforgeeks.org/hibernate-native-sql/?ref=next_article">Hibernate - Native SQL</a> </div> </div> </div> </div> </article> <div class="article--recommended article--recommended_wrapper" id="similar-reads"> <h3 class="new-top-bar top-bar-title">Similar Reads</h3> <div class="gfg-similar-reads-list"> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-create-hibernate-configuration-file-with-the-help-of-plugin/?ref=oin_asr1"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Create Hibernate Configuration File with the Help of Plugin</div> <div class="gfg-similar-read-item-subheading">Hibernate is a framework that provides some abstraction layer, meaning that the programmer does not have to worry about the implementations, Hibernate does the implementations for you internally like writing queries to perform CRUD operations, establishing a connection with the database, etc. It is a java framework that is used to develop persisten</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">3 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-annotations/?ref=oin_asr2"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Annotations</div> <div class="gfg-similar-read-item-subheading">Annotation in JAVA is used to represent supplemental information. 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Whereas in Hibernate framework we use Objects to develop persistence logic that is independent of</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">5 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-create-pojo-classes/?ref=oin_asr13"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Create POJO Classes</div> <div class="gfg-similar-read-item-subheading">POJO stands for Plain Old Java Object. In simple terms, we use POJO to make a programming model for declaring object entities. The classes are simple to use and do not have any restrictions as compared to Java Beans. To read about POJO classes and Java Bean refer to the following article - POJO classes and Java Bean POJO is handier as its best in r</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">3 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-one-to-one-mapping/?ref=oin_asr14"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - One-to-One Mapping</div> <div class="gfg-similar-read-item-subheading">Prerequisite: Basic knowledge of hibernate framework, Knowledge about databases, Java Hibernate is a framework that provides some abstraction layer, meaning that the programmer does not have to worry about the implementations, Hibernate does the implementations for you internally like Establishing a connection with the database, writing queries to</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">15 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-sql-dialects/?ref=oin_asr15"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - SQL Dialects</div> <div class="gfg-similar-read-item-subheading">Hibernate is an open-source, non-invasive, lightweight java ORM(Object-relational mapping) framework that is used to develop persistence logic that is independent of Database software. An ORM(Object-relational mapping) framework simplifies data creation, data manipulation, and data access. It is a programming technique that maps the object to the d</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">3 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-web-application/?ref=oin_asr16"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Web Application</div> <div class="gfg-similar-read-item-subheading">A web application with hibernate is easier. A JSP page is the best way to get user inputs. Those inputs are passed to the servlet and finally, it is inserted into the database by using hibernate. Here JSP page is used for the presentation logic. Servlet class is meant for the controller layer. DAO class is meant for database access codes. Tools and</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">9 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-table-per-concrete-class-using-xml-file/?ref=oin_asr17"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Table Per Concrete Class using XML File</div> <div class="gfg-similar-read-item-subheading">Hibernate is capable of storing the inherited properties of an object along with its new properties in its database when an object is saved in the database. In Hibernate, inheritance between POJO classes is applied when multiple POJO classes of a module contain some common properties. In a real-time application, POJO classes of Hibernate are design</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">5 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-table-per-subclass-using-annotation/?ref=oin_asr18"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Table Per Subclass using Annotation</div> <div class="gfg-similar-read-item-subheading">Hibernate is an open-source, non-invasive, lightweight java ORM(Object-relational mapping) framework that is used to develop persistence logic that is independent of Database software. An ORM(Object-relational mapping) framework simplifies data creation, data manipulation, and data access. It is a programming technique that maps the object to the d</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">6 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-table-per-hierarchy-using-xml-file/?ref=oin_asr19"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Table Per Hierarchy using XML File</div> <div class="gfg-similar-read-item-subheading">Hibernate is capable of storing the inherited properties of an object along with its new properties in its database when an object is saved in the database. In Hibernate, inheritance between POJO classes is applied when multiple POJO classes of a module contain some common properties. In a real-time application, POJO classes of Hibernate are design</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">6 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-table-per-subclass-example-using-xml-file/?ref=oin_asr20"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Table Per Subclass Example using XML File</div> <div class="gfg-similar-read-item-subheading">In Table Per Subclass, subclass tables are mapped to the Parent class table by primary key and foreign key relationship. In a Table per Subclass strategy : For each class of hierarchy there exist a separate table in the database.While creating the database tables foreign key relationship is required between the parent table and the child table.To p</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">5 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-criteria-queries/?ref=oin_asr21"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Criteria Queries</div> <div class="gfg-similar-read-item-subheading">Hibernate is a framework that provides some abstraction layer, meaning that the programmer does not have to worry about the implementations, Hibernate does the implementations for you internally like Establishing a connection with the database, writing queries to perform CRUD operations, etc. To get the data available in RDBMS tables, Hibernate fol</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">12 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-table-per-hierarchy-using-annotation/?ref=oin_asr22"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Table Per Hierarchy using Annotation</div> <div class="gfg-similar-read-item-subheading">Hibernate is a framework that provides some abstraction layer, meaning that the programmer does not have to worry about the implementations, it does the implementations for you internally like writing queries to perform CRUD operations, establishing a connection with the database, etc. It is an open-source, non-invasive, lightweight java ORM(Object</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">8 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-types-of-mapping/?ref=oin_asr23"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Types of Mapping</div> <div class="gfg-similar-read-item-subheading">Hibernate is a Java framework that simplifies the development of Java applications to interact with the database. It is an open-source, lightweight, ORM (Object Relational Mapping) tool. Hibernate implements the specifications of JPA (Java Persistence API) for data persistence. There are different relations that we maintain to establish a link betw</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">2 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-many-to-many-mapping/?ref=oin_asr24"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Many-to-Many Mapping</div> <div class="gfg-similar-read-item-subheading">In RDBMS, we can see a very common usage of parent-child relationships. It can be achieved in Hibernate via One-to-many relationshipMany-to-one relationshipOne-to-one relationshipMany-to-many relationship Here we will be discussing how to perform Hibernate - Many-to-Many mappings. Below are the example tables to demonstrate Many-to-Many mappings as</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">12 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-interceptors/?ref=oin_asr25"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Interceptors</div> <div class="gfg-similar-read-item-subheading">Interceptors are used in conjunction with Java EE managed classes to allow developers to invoke interceptor methods on an associated target class, in conjunction with method invocations or lifecycle events. Common uses of interceptors are logging, auditing, and profiling. The Interceptors 1.1 specification is part of the final release of JSR 318, E</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">6 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-table-per-concrete-class-using-annotation/?ref=oin_asr26"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Table Per Concrete Class Using Annotation</div> <div class="gfg-similar-read-item-subheading">Hibernate is a framework that provides some abstraction layer, meaning that the programmer does not have to worry about the implementations, it does the implementations for you internally like writing queries to perform CRUD operations, establishing a connection with the database, etc. It is an open-source, non-invasive, lightweight java ORM(Object</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">7 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-logging-by-log4j-using-properties-file/?ref=oin_asr27"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Logging By Log4j Using Properties File</div> <div class="gfg-similar-read-item-subheading">Apache log4j is a java-based logging utility. Apache log4j role is to log information to help applications run smoothly, determine what’s happening, and debug processes when errors occur. log4j may logs login attempts (username, password), submission form, and HTTP headers (user-agent, x-forwarded-host, etc.) into the log file or database. Apache l</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">2 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-many-to-one-mapping/?ref=oin_asr28"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Many-to-One Mapping</div> <div class="gfg-similar-read-item-subheading">Hibernate is an open-source, ORM(Object Relational Mapping) framework that provides CRUD operations in the form of objects. It is a non-invasive framework. It can be used to develop DataAcessLayer for all java projects. It is not server-dependent. It means hibernate code runs without a server and with a server also. It is a top layer of JDBC, JTA,</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">5 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-logging-by-log4j-using-xml-file/?ref=oin_asr29"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Logging by Log4j using xml File</div> <div class="gfg-similar-read-item-subheading">The process of Hibernate Logging by Log4j using an XML file deals with the ability of the computer programmer to write the log details of the file he has created by executing it permanently. The most important tools in Java language like the Log4j and Log back frameworks. These frameworks in Java language help the programmer to install and initiate</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">5 min read</span> </div> </a> <a class="gfg-similar-read-item" href="https://www.geeksforgeeks.org/hibernate-native-sql/?ref=oin_asr30"> <div class="gfg-similar-read-item-content"> <div class="gfg-similar-read-item-heading">Hibernate - Native SQL</div> <div class="gfg-similar-read-item-subheading">Hibernate by means of a Native SQL facility, can directly interact with the database like MySQL, Oracle, etc., and all the database-specific queries can be executed via this facility. This feature is much useful if the application is an old application and running for a long time. All of a sudden we cannot bring back new changes but instead with Na</div> </div> <div class="reading-time"> <i class="reading-time-icon" data-gfg-action="readingtime"></i> <span style="color: var(--recommendation-card-text-color);font-size: 14px;font-weight: 500;line-height: 17px;">8 min read</span> </div> </a> </div> </div> <div class="bottom-wrap" style="padding: 0px 20px;margin-bottom: 10px;"> <div class="improved"> <div class="t-head">Article Tags : </div> <ul> <li style="border-radius: 25px;" class=""> <a href="https://www.geeksforgeeks.org/category/programming-language/java/?ref=article_category">Java</a> </li> <li style="border-radius: 25px;" class=""> <a href="https://www.geeksforgeeks.org/tag/java-hibernate/?ref=article_tag">Java-Hibernate</a> </li> </ul> </div> <div class="improved"> <div class="t-head">Practice Tags : </div> <ul class="practice-tags"> <li><a href="https://www.geeksforgeeks.org/explore?category=Java&ref=article_practice_tag">Java</a></li> </ul> </div> </div> <div class="vote-wrap"> <div style="display:none;align-items:center;justify-content:center;width:100%;"> <button aria-label="like" data-type="like" class="vote-this" style="margin-right: 0; 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