suklion.blogg.se - Stackoverflow hibernate interview questions

#STACKOVERFLOW HIBERNATE INTERVIEW QUESTIONS CODE#
#STACKOVERFLOW HIBERNATE INTERVIEW QUESTIONS FREE#

To insert a list of Object save has to have to be called in loop. Hibernate does not allow multiple inserts.Hibernate may generate more queries than expected. Hibernate has some performance issues when writing complicated joins.So, not very easy to learn hibernate easily.

A lot of effort is required to learn Hibernate.

Hibernate was designed to work in an application server cluster and deliver a highly scalable architecture.

Hibernate is highly configurable and extensible.

Hibernate is well known for its excellent stability and quality, proven by the acceptance and use by tens of thousands of Java developers.

Hibernate supports lazy initialization, numerous fetching strategies and optimistic locking with automatic versioning and time stamping.

As such, it can be easily used in any environment supporting JPA

Hibernate is also an implementation of the Java Persistence API (JPA) specification.

If you have an issue with hibernate your answer on stackoverflow will be answered very quickly.

Having a great community adds a lot of value to any framework and Hibernate has a large, established community.

Hibernate provides out-of-the-box implementations for caching, mapping flat data to object graphs, SQL rendering, etc.

We will list here hibernate specific benefits and drawbacks. You can use all the above advantages and disadvantages for hibernate as well if you are asked this questions.

Sometimes complex queries generated by ORM libraries are not efficient.ģ) Describe benefits and drawbacks of Hibernate.

ORM libraries also have caching which can make data retrieval faster.

You can change between ORM libraries without much effort.

ORM allows also the usagae of OOP concepts like data inheritance.

#STACKOVERFLOW HIBERNATE INTERVIEW QUESTIONS CODE#

ORM libraries are available for different languages and hence the programmers can code in their own langauge like Hibernate for Java.It saves programmers from writing code for transactions which can a cumbersome task.And ORM libraries are well tested and used by many organisations which makes them more stable than code written by own team.As with most libraries, ORM saves a lot of time and effort.For Java Hibernate is well known ORM library.Ģ) What are the Pros and Cons of using ORM Libraries

#STACKOVERFLOW HIBERNATE INTERVIEW QUESTIONS FREE#

There are both free and commercial packages available that perform object-relational mapping, although some programmers opt to construct their own ORM tools. When talking about ORM, most people are referring to a library that implements the Object-Relational Mapping technique, hence the phrase “an ORM”. Object-Relational Mapping (ORM) is a technique that lets you query and manipulate data from a database using an object-oriented paradigm. All these questions check whether a candidate has basic knowledge of the hibernate. These questions are collected from real interviews. In this article, I will be listing the frequently asked interview questions on hibernate in java application.