Factors to differentiate entity bean and session bean

The following factors differentiate entity and session bean. They are - :

• persistence
• Shared access
• Primary key
• Relationship
• Container managed persistence
• Abstract schema
• Multiplicity in container managed relationship
• Direction in container managed relationship

Source : http://www.hi.is/pub/cs/2002-03/hv1/j2eetutorial/doc/EJBConcepts4.html