T R A N S A C T I O N S  

because the changes have to be committed or rolled back at the end 

Client

EJB

ntieCl

EJB

Mandatory: the client has to provide a transaction and if not an exception is thrown. 

A bean developer wants to ensure that the bean always is part of a transaction 

because it is always a part of a transaction like a bank account withdrawal 

tnieCl

EJB

Client

EJB

Note: 

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