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Showing posts with the label Hibernate

Top 50 Hibernate Interview Questions and Answers - Frequently Asked - 2022

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1. What is Hibernate? Hibernate is the most popular open-source Java ORM framework in use today. Hibernate allows you to map plain old Java objects to relational database tables. Hibernate also provides data query and retrieval facilities. Hibernate generates the SQL calls and attempts to relieve the developer from manual result set handling and object conversion and keep the application portable to all supported SQL databases.  2. What is ORM? ORM sets the mapping between the set of objects which are written in the preferred programming language like Java and relational database like Oracle. It hides and encapsulates the SQL queries into objects and instead of SQL queries, we can use directly the objects to implement the SQL query. 3. What are the major advantages of Hibernate Framework? Hibernate framework is an open-source framework.  Hibernate framework is a high-performance framework because of its internal cache. Provides facilities to automatically create a table. It provides a

Build REST CRUD APIs with Micronaut and Hibernate

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Hello everyone, today we will learn how to build RESTful CRUD APIs using  Micronaut and Hibernate  with the help of one simple example. Related topic, Building an Application with Micronaut Micronaut is a modern, JVM-predicated, full-stack Java framework designed for building modular, facilely testable JVM applications with support for Java, Kotlin and the Groovy language. Micronaut  provides : Dependency Injection and Inversion of Control (IoC) Aspect-Oriented Programming (AOP) Sensible Defaults and Auto-ConfigurationMessage-Driven Applications HTTP Routing Client-Side Load Balancing Command-Line Applications HTTP ServersDistributed Configuration Service Discovery Fast startup time Reduced memory footprint Minimal use of reflection Minimal use of proxies No runtime bytecode generation Easy Unit Testing Technologies used: Java 11 Micronaut 3.1.1 Micronaut-Hibernate-JPA 3.1.1 H2DB Micronaut-Hikari-Cp 3.1.1 Maven 3.6.3 Final Project Structure: Dependency management - Maven - Pom.xml A Pr