![]() If you need to revert some changes for any reason (nobody’s perfect!), you can do this by removing the last migration, as long as you have haven’t applied the database update yet. To update your database, you will have to run the following command.Įach developer will typically run this command in their own development environment, which could be pointing to a LocalDB instance, SQL Server instance on your network, in the cloud, etc. Migrations folder: Updating the DatabaseĪfter a new migration has been added, your migration code will become out of sync with your database. However, the class name itself is only the friendly name, which makes it easier to read. Note that the class filename contains a combination of a datetime stamp followed by the. In the NetLearning repo from the last blog post, check out the LearningResourceModelAndPages migration to see an example. This will create a new migration with the specified and add a class with that name in your Migrations subfolder. When you make some Model changes that you’d like to group together in a single Migration, you can add a new migration using the following command. Each auto-generated Migration class will contain at least an Up() method and a Down() method to encapsulate commands to update and revert a database, respectively. We will cover both approaches in this article. CLI commands from a Command Line or VS Code’s Terminal. ![]()
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