Adding an EF Property in a Zero Downtime Migration

Опубликовано: 12 Январь 2023
на канале: Zoran Horvat

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Adding a property to an entity is super easy! Adding a property to an entity with a million records in the production database is not. Adding a property to a production database without stopping the application, and with the old version of the application running with no issues - well, that can be a challenge.
In this video, you will learn a step-by-step procedure of augmenting a model with a new property, provided that the model has already been used in production, and hence there are many existing records in its database table.
By the end of this video, you will learn how to advance the database schema and application code in safe manner, so that each version of the application is fully operational during the database update. All updates, both on the database and on the application side, will be performed with zero downtime. That also opens the possibility of using CI/CD and other forms of automation in the process.

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