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Q1: What is the difference between Hibernate and EJB 2.1? Q2: Which one, among EJB 2.1 and Hibernate, is better?Explain with reason.Q3: When to use EJB 2.1 and when to use Hibernate? Explain with scenarios.
srinivasaraobora
- Sep 20th, 2011
Advantages of Hibernate Over EJB Entity bean is also used for object oriented view. It needs lot of things to configure for make it possible and Lot of coding need for it. After all these performance ...
sony v george
- Apr 4th, 2007
Basically Ejb and Hibenate is enterly different one But having realtion with Entitybean in Ejb and Hibernate. Entity bean is also used for object orientd view . It need lot things to configures fo mak...
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Why Hibernate is advantageous over Entity Beans & JDBC?
kamalraja
- Aug 13th, 2009
Hibernate does not require a Application Server to be deployed. Easy plugin into any available project or module when compared to EJBHibenate involves less coding and easy to manage code when compared to JDBC.
Nirwana360
- Aug 9th, 2009
EJB3 and Hibernate both support JPA. Advantage of Hibernate over EJB3 Entity are as follows; EJB3 Entity needs a container to run where as Hibernator does not need one. Hibernate support Java ann...
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What J2EE design problems does Hibernate solves apart from Data Base in-dependency and being an ORM tool?
mani.sivapuram
- Feb 14th, 2011
Since in case of jdbc autocommit is always true but in case of hibernate after executing all the sql statements only it process the commit operation this is called as transaction management.But this t...
prashant82
- Jun 24th, 2009
In hibernate objects are loosely coupled providing flexibility during integration with other databases or applicationsIn J2EE inheritance can not be achieved directly for the objects mapping One-to-one mapping is mandatory in J2EE
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Stored procedure in hibernate
How to call stored procedure in mysql through hibernate?
krish_1911
- Nov 17th, 2008
In order to call a stored procedure using the hibernate , define a named query for a persistent class mapping document. Then call the named query from your java application .Example is given in the Hi...
subhani_syed
- Sep 16th, 2008
As per sql-->create a procedure in your sql by using the following code.create or replace procedure first-procedure(x in number,y out number)beginy:=x*x;end; write your sql connection code in ...
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POJOs
What are POJOs?How POJOs are created & used in Hibernate?
bhaskar daggupati
- Nov 7th, 2017
POJO class did happened in Hibernate...when we are doing reverse engineering to the project at that time it will be happened. POJO class will be used setters nd getters to insert or retrive the data.
Thomas John
- Sep 21st, 2015
A Java Bean is a Java class that has getters and setters in order to conform to Java-bean standards. Essentially you declare properties private and use getters and setters to read or modify the data. ...
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Store images using Hibernate
How do you store a image in oracle using hibernate ?
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What are the types of inheritence models and describe how they work like vertical inheritence and horizontal
AjaySinghBhati
- Apr 30th, 2010
There are three types of inheritance mapping in hibernate1. Table per class hierarchy2. Table per subclass3. Table per concrete class In hbm.xml file you need following enteries1. For T...
Jaleel Akbar
- Jul 12th, 2007
Table per concrete class using implicitpolymorphism can also be added as inheritance mapping in hibernate
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What is component mapping in hibernate?
Thomas John
- Sep 21st, 2015
Hibernate component represents as a group of values or properties, not entity (table). I have a customer table that has address fields. I will create 2 models - customer, address. In this case, Addres...
mani.sivapuram
- Feb 21st, 2011
I will explain one realtime scenario here.Consider one Address class as given belowpublic class Address{private Integer doorNo;private String street;//provide setters and getters for above properties}...
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What is the difference between sorted and orderd collection in hibernate?
arindam_0006in
- May 19th, 2008
A component is an object saved as a value, not as a reference A component can be saved directly without needing to declare interfaces or identifier properties Required to define an empty constructor Shared references not supported
arindam_0006in
- May 19th, 2008
For Sorted Collection:A sorted collection is sorting a collection by utilizing the sorting features provided by the Java collections framework. The sorting occurs in the memory of JVM which running Hi...
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What is the main difference between Entity Beans and Hibernate ?
shashi1983
- Nov 22nd, 2008
The main diffrence between Entity Bean and hibernate is Entity Bean is a heavy weight component and hibernate is a light weight component.
nitinpokhriyal
- Jul 16th, 2008
It is not right answer as given by ranveer.Entity beans now become JPA so it has all the feature which hibernate has. All the application server has to provide implementation of jpa using presistent p...
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What is the difference between hibernate and Spring
mani.sivapuram
- Feb 21st, 2011
Hibernate is used to interact with database.i.e if we want to save some data then we use hibernate or jdbc or some other tools available in the market.But it is not possible for struts or spring to st...
srini
- May 3rd, 2007
Hibernate is ORM tool used for data persistency.Spring is a framework for enterprise applications?with default APIs for presentation, middle tiers and presistence layers and allows to integrate with ...
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How are joins handled using HQL.
anupsadhwani60
- Sep 16th, 2007
HQL provides four ways of expressing (inner and outer) joins:1) An ordinary join in the from clause2) A fetch join in the from clause3) A theta-style join in the where clause4) An implicit association join
Sivakumar Karuppiah
- Aug 15th, 2007
Its just like RDBMS joining. After joining two or more tables we are retriving values from different tables. In HQL, The tables are our Value Objects (VOs). when we apply join on two more VOs we...
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How will handle Hibernate the situation,
If the data base does not contain any primary key?i.e we had a table that does not contain key .but we map the all the fields to properties of class.
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How do i call the the Stored procedure using Hibernate?
tecfinder
- Mar 26th, 2010
There are two ways you can call stored procedure in hibernate1) session.connection() will give you jdbc connection which you can use it to call callablestatement which you normally do in JDBC. Here yo...
Hur Muhammad
- Mar 10th, 2008
You can use callableStatement to call any procedure from the Hibernate but i prefer to use iBatis instead of Hibernate for performing these type of actions.
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Fetching Strategies
What are different fetching strategies in hibernate?
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Level 2 Cache and Query Cache
What will happened if level 2 cache is enable and query cache is diabled in Hibernate?
sowdri
- Jan 29th, 2011
Query cache depends on L2 cache. L2 cache does not depend on query cache. So nothing would happen. Alternatively: What will happened if level 2 cache is disabled and query cache is enabled in ...
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When would you use Hibernate and Spring JDBC Template ?
Mukesh
- Aug 25th, 2015
As per my view Hibernate is complete framework for ORM tool which including broad future for handing database. It has also keeping feature of Mapping (1 to 1, 1 to M,.....) but in Spring JDBC not covered to these all things
sampra
- Mar 19th, 2012
Spring jdbc and hibernate are working in same way ..it depends what technologies we are using
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Hibernate Interview Questions
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