Modifying an existing database

[Gary Edge]

I've done this in a previous app but can't find reference to it in the 
docs. (Actually I'm being a little lazy).

I have an existing db with 10,000+ records and I need to change a short 
field to a long field. I tried to do this with VAPP but it crashed 
(possibly do to the db being encrypted?).

Anyway I know this can be done on the fly to update older databases but 
don't remember how.
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Best Regards,
Gary

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