What does DB Migrate do?
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Similarly, you may ask, how does DB Migrate work?
A Rails migration is a tool for changing an application's database schema. Instead of managing SQL scripts, you define database changes in a domain-specific language (DSL). The code is database-independent, so you can easily move your app to a new platform.
One may also ask, what does DB setup do? What Does the db:setup Task Do in Rails? Since the db:setup command deletes all of your data, this isn't something that you will run in production, but it can be a helpful tool while building the application out locally.
Likewise, people ask, what is a DB migration?
Database migration explained Database migration — in the context of enterprise applications — means moving your data from one platform to another. Or, a company might find that some particular database software has features that are critical for their business needs. Or, the legacy systems are simply outdated.
What does Rails DB Reset do?
When working on a Rails app, you might sometimes need to drop the local database and start fresh with data loaded from db/seeds. rb, what do you do? Short answer: use rake db:reset . This drops the database, then loads the schema with rake db:schema:load and then seeds the data with rake db:seed .