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Displaying posts with tag: mysql ruby databases migration (reset)

Using Ruby to Migrate Databases
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If you deal with databases for a living, eventually you’ll come across cases where you’ll need to migrate a lot of data from one schema to another. I am not just talking about migrating from one different type of database to another, like from Oracle to MySQL, but from, for instance, a badly-designed schema to one more expertly crafted.

If there are minor differences between the source and target schema, this is a trivial affair. On the other hand, if the schema is completely different, this can be quite a challenge. Moreover, the database being migrated might represent a high-demand website that will need to be done with little or no downtime, …

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