Rails Best Practices 5: Optimize Migration

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Migrations, in my opinion, are one of the best things in Rails since these allow the creation and populating the database using ruby code without having to worry about which type of db run below. That said, even writing the migration is better to follow some best practices. 1. DB Index The first practice I strongly recommend is to define indices for the external keys and for all those columns on which you will mak...

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