Re: EJB or JDBC

Hi,

      Why only bean managed entity beans can be used with legacy 
systems , Why we cannot use CMP with legacy systems


regards



--- In EJB-Developer@y..., Konstantin Ignatyev <kosta771@y...> wrote:
> I have decoded your question as a one about
> implementation persistance layer in your application,
> so:
> 
> JDBC - faster(theoretically)
> BMP(+JDBC) -very flexible and only choice with legacy
> DB or in some sophisticated cases
> CMP - simpler( $0 in case of JBoss )
> By the way you will need to call JDBC directly
> probably even with CMP....
> 
> Why do not consider JDO stuff like Castor too?
> 
> Performance in absolute terms means nothing, C++ is
> faster than Java, so what
> 
> --- Abdel Hamid Ghareeb
> <AbdelHamid.Ghareeb@v...> wrote:
> > Dear all,
> >   Any one can help me in this decision   
> >   whether to use JDBC in my applications or CMP
> > Entity Beans ?
> > The above decision needs to be make taking into
> > consideration the performance issues. 
> > 
> > thanks
> > 
> > 
> > 
> 
> 
> 
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