What is the expansion for BLOB & CLOB?
Latest Answer: Blob Stands for Binary Large Object.Clob Stands for Character Large Object. ...
What is the need of EJB?
Latest Answer: EJB used to reuse the large chuck of the code in the distributed environment. You can develop one component all other applications running on the J2EE server can use it. ...
What is metadata annotation?How it is useful in EJB 3.0?
Why is ejb2.x considered as heavy weight and ejb3.0 is considered as light weight?What you mean by heavy/light weight? How it affects the performance of server?
How to map the Entity Bean field with Oracle?
Why is JNDI used.Do we have any alternative for JNDI?
What is the purpose of the call to PortableRemoteObject.narrow()?
Latest Answer: i know its related to some CORBA purposes, but i need some explanation ...
is there any special reason to write two interfaces in ejb(local , home interfaces ). why don't we write only one interface .
why do we require to write a deployment descriptor (ejb-jar.xml) in an xml format ? why don't we write it in a java file ?
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