Hibernate 面试题与答案

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问题 51. What are the ORM level?

The ORM levels are:

* Pure relational (stored procedure.)
* Light objects mapping (JDBC)
* Medium object mapping
* Full object Mapping (composition,inheritance, polymorphism, persistence by reachability)

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问题 52. What is CRUD?

A CRUD operation deals with creating , retriving , updating and deleting from the table.

We have already described previously how to persist "Employee" Class to database. Here we are adding more operation on that

Employee Class.

Creating/Persisting the class to databae
Retriving records from database
Updating decord(Condition : Where sal is 8000 ,update sal to 11000)
Deleting decord (condition: where deptno is 30)

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Hibernate 面试题与答案

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问题 51. What are the ORM level?

问题 52. What is CRUD?

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