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    <p>We're using Castle ActiveRecord for an ASP.NET MVC 3 application we're writing here. I can tell you what we <em>plan</em> to do once the application is in production (in a few weeks).</p> <p>We have a four-stage environment:</p> <ul> <li>Development</li> <li>Testing</li> <li>Staging</li> <li>Production</li> </ul> <p>We use Git for source control and Jenkins for continuous integration. The application is set to automatically drop/recreate the database on each run for a development machine (e.g. using Visual Studio 2010); we have a list of development machines, and the app checks the currently running machine to see if it should drop/create the database.</p> <p>When we push changes in Git to the central (bare) repository, Jenkins detects the changes (by polling). It builds the app, runs the tests, deploys the app onto our Development web server, and drops/re-creates the schema and test data on our Development SQL Server instance.</p> <p>But that's only for development, where the rapid prototyping is important. For deployments to the other three environments, we plan to give our server/infrastructure group a packaged deployment file they can run. For the database portion, our database group will use Red Gate's compare tool to compare the schema between an environment and its predecessor environment and update where necessary. Thus schema changes from development are "compared and updated forward" to test, and test to stage, and so forth.</p> <p>This leaves those deployments less than automatic, but it ensures that we don't affect data in those environments.</p>
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    1. POApproaches to making changes to Production systems using Castle ActiveRecord
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    1. USRyan Lundy
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    1. COThanks very much for your detailed answer, its really really useful to see how you're using it or at least planning to. Im trying to picture your process in my head, when your guys are developing (after go-live) will they be using a fresh copy of the production db or are you starting with an empty db and populating it with test data?
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      1. USsamaspin
    2. COThe application is replacing an older application, so we'll be importing the existing data into our new database. We'll use Castle ActiveRecord on the import side, but I haven't decided whether to also make a Castle ActiveRecord model for the export of the old data, or to do something quick-and-dirty like typed DataSets. Probably the latter, because the advantages of Castle ActiveRecord really show themselves when you're doing more with the data than just a one-time export.
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      1. USRyan Lundy
    3. COOh, I think that's not what you were asking. Well...good question, actually. That's something I'll have to think about. Probably the best case would be to use the existing data insofar as possible.
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      1. USRyan Lundy
 

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