December 2018
Intermediate to advanced
764 pages
31h 47m
English
As explained in the Upgrading philosophy section, carrying out customizations to the new version is actually the main point of the whole upgrade process.
There are a couple of ways to achieve this:
As the implementer, feel free to use the approach that best suits your needs. You can probably go for the rewriting method when just a few customizations exist, and use the compare-and-merge one when the old database has been customized a lot.
Where do we draw the line between a few and a lot? We don't ...
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