- Need of EJBWhat is the need of EJB?
- Metadata AnnotationWhat is metadata annotation?
How it is useful in EJB 3.0?
- Heavy Weight and Light WeightWhy 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?
- Map Entity Bean Field with OracleHow to map the Entity Bean field with Oracle?
- JNDIWhy is JNDI used.
Do we have any alternative for JNDI?
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