What is a Hibernate Interceptor, and how is it used?ġ9. What is a Hibernate association, and how is it used?ġ8. What is a Hibernate Native SQL query, and how is it used?ġ7. What is a Hibernate Query Language (HQL) query, and how is it used?ġ6. What is a Hibernate Transaction, and how is it used?ġ5. What is a Hibernate Criteria Query, and how is it used?ġ4. What is a Hibernate Session, and how is it used?ġ3. What is the Object-Relational Impedance Mismatch, and how does Hibernate address it?ġ2. How is SQL query created in Hibernate?ġ1. What are POJOs and what’s their significance?Ĩ. What’s the usage of Configuration Interface in hibernate?ħ. What are the core interfaces of Hibernate?ĥ. What are some advantages of using Hibernate?Ĥ. In this post, we’ll cover some common Hibernate interview questions and answers to help you prepare. If you’re a Java developer, you may be asked about Hibernate in a job interview. This allows developers to work with the Java objects and their properties, rather than having to write SQL queries to interact with the database directly. It is used to map Java objects to relational database tables, and vice versa. Hibernate is a popular open-source object-relational mapping (ORM) tool for the Java programming language. These Hibernate Interview Questions will get you familiar with the types of questions that you will likely come across during your interview. We can use this strategy only if the data can be modified and a small likelihood of stale data is not the critical concern.In this article we have gathered the latest and most asked Hibernate Interview Questions and Answers for both freshers and 2/3/5/10 years experience candidates. Non-strict-Read-Write: This strategy assures no guarantee of consistency between the database and cache.where we read mostly data and prevention of stale data is critical. Read-Write: It is similar to transactional strategy.Read- Only: This strategy is compatible with the data that can’t be modified.Transactional: This strategy is used mostly to read data where the prevention of stale data is critical in concurrent transactions, in the unique case of an update.The concurrency strategies are the mediators who are responsible for storing items and retrieving them from the cache.In case of enabling a second level cache, the developer must decide for each persistent class and collection, and also which cache concurrency, has to be implemented.įollowing are the concurrency strategies that can be implemented by the developer: Object-relational mapping tool (ORM) for the Java programming language. The information which has been provided will brush up your mind and will substantially contribute to impressing the interviewer so that you fly with high colors. Practice below the Hibernate Interview Questions & Answers that are specifically designed to give you the basic conceptual information at the beginning and later with the core nature of the subject. The original aim was to offer better persistence capabilities than those offered by EJB2 (Enterprise Java Beans version 2), they wanted to simplify the complexities and supplement certain missing features. It is developed by Red Hatand was started by Gavin King with his colleagues in 2001. Hibernate is an ORM (object-relational mapping ) tool for Java programming language. What inheritance mapping strategies are available in Hibernate? Which annotation is used to declare a class as a hibernate bean ? What is difference between save and persist in hibernate? Describe the important interfaces of Hibernate framework? Explain the important benefits of Hibernate framework? Describe the method used to create an HQL Query and SQL Query? Explain the persistent classes in Hibernate? Explain Hibernate configuration file and Hibernate mapping file? What is Many-to-Many association in Hibernate? What is a Many-to-One association in Hibernate? What is One-to-Many association in Hibernate? What is a One-to-One association in Hibernate? Mention some of the databases that Hibernate supports? Explain the Criteria object in Hibernate? Explain the Transaction object in Hibernate?
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