m the
J2EE blueprints from SUN. I cannot recommend this online book enough!!
-Steve Rock
-Original Message-
From: Al Fogleson [mailto:[EMAIL PROTECTED]]
Sent: Friday, May 26, 2000 6:21 PM
To: Orion-Interest
Subject: Re: How are database JOINS achieved with EJBs?
- Original Message
urce. I do agree there are not that many cases
where BMP is truly necessary however. :)
Al
- Original Message -
From: "Karl Avedal" <[EMAIL PROTECTED]>
To: "Al Fogleson" <[EMAIL PROTECTED]>
Cc: "Orion-Interest" <[EMAIL PROTECTED]>
Sent: Sunday
Hello Al,
Al Fogleson wrote:
> Yes and no. There is a terribly large amount of overhead involved in
EJB to begin with
Which overhead are you referreing to by this? The overhead involved
should be low compared to the optimizations that are done to speed up
data access.
> then you start adding a
- Original Message - > Al:>
> YES. I'm starting off with the hypothesis that
all database tables> should map to EJBs, because that
is what all the hype is about.> > Now, for real
world, does it work well?
Yes and no. There is a terribly large
amount of overhead involved
Porfiriev Sergey <[EMAIL PROTECTED]>
To: Orion-Interest <[EMAIL PROTECTED]>
Cc: Orion-Interest <[EMAIL PROTECTED]>
Sent: Thursday, May 25, 2000 11:47 PM
Subject: Re: How are database JOINS achieved with EJBs?
> Hello Steven,
>
> Friday, May 26, 2000, 4:52:00 AM, you wrote:
&
;
Sent: Tuesday, May 23, 2000 6:34 PM
Subject: Re: How are database JOINS achieved with EJBs?
> you can do it the same way using BMP.
>
> Although I would be careful, I think we, as programmers have convinced
> ourselves that if something is in a database it MUST be an entity bean.
T
Hello Steven,
Friday, May 26, 2000, 4:52:00 AM, you wrote:
example:
Write folowing in yours Home interface or ( deployment orion ejb-jar.xml (full: not
included)
public static final String findByID_STORE_AND_ID_GRP_ORDER_BY_NAME_query= "full:SELECT
PL.Id_Pricelist, PL.Datestart, PL.Datestop,
you can do it the same way using BMP.
Although I would be careful, I think we, as programmers have convinced
ourselves that if something is in a database it MUST be an entity bean. This
attitude seems to prevail all over, even at my work, where I am having a
heck of a time convincing people it is
