what is entityframework,linq and hibernate?why we used it?

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im working for a web application using 3 tier application...in that i did not noticed any where about entity framework...what is it...why should we use?

Posted 11-Jan-16 20:41pm

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DamithSL 12-Jan-16 2:51am

Entity Framework (EF) Documentation[^]

Tomas Takac 12-Jan-16 3:06am

Does your web access a database? There you go...

Sergey Alexandrovich Kryukov 12-Jan-16 3:17am

Who are "we"? You don't. Sorry, but answering such questions is useless. If you did not pay any effort to read on these topics, who will guarantee that the answer won't be the total waste of time?
—SA

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_Asif_ · Answer 1 · 2016-01-11T21:16:00

You are asking about ORM, which can't be explained in a couple of lines. Simply put ORM are Object Relation Mapping tools like Hibernate/EntityFramework that exposes tables as Objects and do CRUD operations in transparent hence giving developers flexibility to focus on developing business usecases instead of digging the nitty gritty of how to fetch/save/update/delete data in the database.

There are books avaiable and even articles on CodeProject that can give you concept and a push to start with.

Entity Framework[^]

Home - NHibernate[^]