JDBC is certainly a standard API. Your code will port to any driver/vendor
if use only standard JDBC API. Different vendors has their own extensions
to JDBC API, which give additional benefits to you. Even with WebSphere,
standard JDBC works. It is upto you to learn a little more about the
product and make use of result-caching, connection pooling etc. Which is
available, after all, for your good. Unless such advanced features are
available on an application server, developing enterprise applications will
be highly tedious for you. In a way, EJB is even higher level of
abstraction of JDBC concept. So it has all that a complicated application
demands and still it is portable across all compliant application servers.
Thin JDBC drivers are dependant only on the DB server. Thick drivers are
dependant on DB server as well as the platform.
Template engines are parallel technology to JSP. Each template engine has
its own learning curve and your code can't be ported across template
engines.
As far as the issue of dynamic content generation is concerned, JSP is good
enough - in my opinion - unless you hate Java syntax.
-ashwath
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www.wisor.com
[EMAIL PROTECTED]
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----- Original Message -----
From: meera nayak <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Saturday, January 29, 2000 12:11 PM
Subject: General Questions on jdbc and SqlJ and also template engines
> HI Room,
> These are some general,basic questions which are plaguing my
> mind.JDBC is considered to be a platform independent API .But it is not
> vendor independent.As i have come to know that Websphere AS uses it
> knows API which is based on JDBC .So knowing only pure JDBC is not going
> to helps us very much as diffrent vendors will have probably diffrent
> wrapper classes for that and we will have to learn that too.Is there any
> other way that JDBC is dependent on.In terms of the drivers(there are
> four kind of drivers) .What are the drivers themselves dependent on(the
> databases only)?
> How is Sqlj going to make lives easier for developers.Does it
> avoid using JDBC .
> I also read the paper written by Jason Hunter on the comparison
> of jsps and servlets and usage of template engines.But i have
> question?Will using templates not
> make your code dependent on the template engines.And since using
> templates does almost the same thing as JSPs
> why was it not thought of earlier ,more so because the many servers also
> support them.
> What i have asked might seem unconnected but these are some
> doubts which arose in my mind after reading these topics.Can anyone
> throw some light on this
>
> Thanx in advance,
> Meera
>
>
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