Difference Between JDBC and Hibernate

JDBC enables developers to create queries and update data to a relational database using the Structured Query Language (SQL). ... JDBC is database dependent i.e. one needs to write different codes for different database. Whereas Hibernate is database independent and same code can work for many databases with minor changes.

1. Why we use hibernate instead of JDBC?
2. Does Hibernate use JDBC?
3. What is difference between JDBC and JPA?
4. What is difference between Hibernate and JPA?
5. Where is hibernate used?
6. Which is faster JDBC or hibernate?
7. Which is faster JPA or JDBC?
8. Is hibernate easy to learn?
9. What are disadvantages of hibernate?
10. Can we use JPA without hibernate?
11. Is JPA an ORM?
12. Is Ejb a framework?

Why we use hibernate instead of JDBC?

unlike jdbc, hibernate connects with the database itself and uses hql (hibernate query language) to execute the queries, then maps the results to java objects. ... the database connection from an application is created using the session, which also helps in saving and retrieving the persistent object.

Does Hibernate use JDBC?

JDBC is the standard API that Java applications use to interact with a database. ... The closest answer to your question would be that "internally", Hibernate uses JDBC to interact with the database.

What is difference between JDBC and JPA?

JDBC is a low level standard for interaction with databases. JPA is higher level standard for the same purpose. JPA allows you to use an object model in your application which can make your life much easier. JDBC allows you to do more things with the Database directly, but it requires more attention.

What is difference between Hibernate and JPA?

JPA is a standard, while Hibernate is not. In hibernate, we use Session for handling the persistence of data, while in JPA, we use Entity Manager. The query language in Hibernate is Hibernate Query language, while in JPA, the query language is Java Persistence query language. Hibernate is one of the most JPA providers.

Where is hibernate used?

Hibernate is a Java framework that simplifies the development of Java application 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.

Which is faster JDBC or hibernate?

Both Hibernate & JDBC facilitate accessing relational tables with Java code. Hibernate is a more efficient & object-oriented approach for accessing a database. However, it is a bit slower performance-wise in comparison to JDBC.

Which is faster JPA or JDBC?

It shows that JPA queries are 15% faster than their equivalent JDBC queries. Also, JPA criteria queries are as fast as JPQL queries, and JPA native queries have the same efficiency as JPQL queries.

Is hibernate easy to learn?

Hibernate is easier to understand and learn, comparing with Spring. ... Hibernate is ORM or Object Persistance Framework, where as Spring has multiple features having Dependency Injection(IoC), AOP, Auto Wriring, SPeL, Spring OXM, Spring Remoting, Spring Batch Processing.

What are disadvantages of hibernate?

Let's see the drawbacks of Hibernate Performance Cost

• Does not allow multiple inserts. Hibernate does not allow some queries which are supported by JDBC.
• More Comlpex with joins. ...
• Poor performance in Batch processing: ...
• Not good for small project. ...
• Learning curve.

Can we use JPA without hibernate?

JPA can be used without a JPA provider aka Hibernate, EclipseLink and so on only if the application server has already a JPA implementation. ... JPA: It Is just a specification.

Is JPA an ORM?

By itself, JPA is not a tool or framework; rather, it defines a set of concepts that can be implemented by any tool or framework. While JPA's object-relational mapping (ORM) model was originally based on Hibernate, it has since evolved.

Is Ejb a framework?

EJB is a specification of Java EE. Spring is a framework. It can inject anything in the container including EJB Data sources, JMS Resources, and JPA Resources. ... It supports various persistence technologies such as JDBC, Hibernate, JPA, and iBatis.