As I use the software, I find things which slow me down, and I make tweaks. Those changes can normally be done without changing the database
structure. Its merely providing a quicker way of getting at the data, or working with the data.
When no changes are required to the data fields, I make a a minor change to a program. You download it from the
web site and it works for you.
When a field needs extending, or when a new field is required, the database structure
has to be modified. Thats a different matter!
Database structure changes have to be done by means of an Upgrade.
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