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by hvidgaard
2903 days ago
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The first thing you do is refactor with the existing DB, so you have a clear DataStore component. Then you make your shiny Relational DB implementation of that DataStore. Now you run both side by side and for everything you do in the old DB you do the same in the new DB, and you compare the results. At some point you can turn off the old DB with confidence and sleep well knowing that the new DB behaves the way you expect. |
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