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 How Do I Approach a Major Upgrade to the DB
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MattC123
Starting Member

USA
1 Posts

Posted - 03/12/2013 :  07:41:10  Show Profile  Reply with Quote
I work in a small shop. We provide Maintenance and Development for a large facilities maintenance package. We are now in the process of upgrading that package. Over the years we have heavily customized the db. Here are some facts on the upgrade:

  • 500 tables in the new "out of the box" package

  • 800 tables in the current system

  • 120 tables modified in the latest version of the package that have also been customized by us.


Many constraints, stored procedures, ect. A large portion of these have been customized by us over the years.

This is a pretty large undertaking and I will be doing it myself. I'm interested in how other people have approached this type of thing. One of the big issues I am running into now is that when I try to update the existing db I run into all sorts of errors because of the constraints.

Any Suggestions, or lessons learned, would be greatly appreciated.

Thanks,
MattC

ahmeds08
Aged Yak Warrior

India
573 Posts

Posted - 03/12/2013 :  07:45:34  Show Profile  Send ahmeds08 a Yahoo! Message  Reply with Quote
Side by side upgradation will be a good move,as you will still have the legacy system if anything goes wrong.
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