John5342 wrote:
I get around my the same kinds of problems by keeping all the layers of the
web app seperate so that i can swap them out one at a time and create a near
seemless upgrade. The layers in my web apps are:
1 The web interface.
2. The application logic. (this may itself be several layers in itself if
the app is complicated)
3. The database access layer.
4. The database.
[...]
Hope what i said is useful.
I think it will be useful when we get to the point of redesigning the app
from scratch. It's a bit tough to replace the data access layer of a large
complex app that's been around for a long time though.
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