It is known for its fast, ultra-high performance and query service. Summary: Hibernate is an open source commonly used object relational mapping (ORM) tool for Java platform. Hibernate make association between the tables than JDBC. We can also achieve lazy loading of data using Hibernate. Hibernate’s code is database independent as developer need to not change the HQL queries whenever he change the databases like MySQL, oracle, etc and therefore it is easy to migrate to new database. Hibernate support to polymorphic queries. In JDBC you need to write code to connect the object model data representation to a relational model but on the other hand, Hibernate itself maps the Java classes to the database tables using XML configuration. Hibernate resolve object-relational issues which occurs when a relational database is connected by an application written in object oriented programming language. What is the benefit of Hibernate Tools Eclipse plugin? What are best practices to follow with Hibernate framework? Which design patterns are used in Hibernate framework? How to integrate Hibernate with Servlet or Struts2 web applications? How to use application server JNDI DataSource with Hibernate framework? How to integrate log4j logging in hibernate app? What is cascading and what are different types of cascading? How transaction management works in Hibernate? How to implement relationships in hibernate? How to integrate Hibernate and Spring frameworks? What is Hibernate Proxy and how it helps in lazy loading? How to log hibernate generated sql queries in log files? What is the benefit of Hibernate Criteria API? What are the benefits of Named SQL Query? What is the benefit of native sql query support in hibernate? Why we should not make Entity Class final?Ĭan we execute native sql query in hibernate? What are the collection types in Hibernate? What is difference between sorted collection and ordered collection, which one is better? What will happen if we don’t have no-args constructor in Entity bean? What is difference between Hibernate save(), saveOrUpdate() and persist() methods? What is usage of Hibernate Session merge() call? What are different states of an entity bean? How to configure Hibernate Second Level Cache using EHCache? What is hibernate caching? Explain Hibernate first level cache? What is difference between Hibernate Session get() and load() method? What is difference between openSession and getCurrentSession? What is Hibernate Session and how to get it? What is Hibernate SessionFactory and how to configure it? Name some important annotations used for Hibernate mapping? Name some important interfaces of Hibernate framework? What are the advantages of Hibernate over JDBC? What are the important benefits of using Hibernate Framework? Here are some hibernate interview questions to crack interviews easily: SQL generated at system initialization time Support for optimistic locking with versioning/timestamping Support for application assigned identifiers Multiple synthetic key generation strategies No build-time source or byte code processing Support for extensive subset of Java collections API These Java APIs allow Java programs to execute SQL queries. It provides a set of Java API to access the relational database from Java program. Hibernate not only responsible for the mapping of Java classes to database tables, but also provide data query support and retrieval facilities which reduces development time. Many online hibernate example are available on hibernate javatpoint, hibernate tutorial point websites. Hibernate allow you to create persistent classes following Java idiom – including association, inheritance, polymorphism, composition and the Java collections framework. This hibernate tutorial will provide complete information about all its features. The no of such properties available in an object that will be mapped to the field in database table. Database does not support objects directly and that's why frameworks like hibernate will come in to existence to bridge this gap. As the name implies hibernate meaning is mapping a relational mapping between your object and the database table values. It provides fast, ultra-high performance object persistence and query service. Hibernate is one of the most popular open source object relational mapping (ORM) tool for Java platform. Some useful information that will help you brush up on Hibernate Interview Questions
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