This course will be retired on July 14, 2025.
Heads up! To view this whole video, sign in with your Courses account or enroll in your free 7-day trial. Sign In Enroll
- What are Migrations? 4:41
- Enabling Migrations 6:06
- Code First Migrations Review 5 questions
- The Configuration Class 2:09
- Adding Our First Migration 4:05
- The Migration Fluent API 6:04
- Updating the Database 4:13
- Populating Our Database with Seed Data 7:31
- Using the Configuration Class to Add Seed Data 1 objective
- Excluding Test Data in Production 5:54
- Using a Preprocessor Directive to Exclude Test Data 1 objective
- Section Review 10 questions

- 2x 2x
- 1.75x 1.75x
- 1.5x 1.5x
- 1.25x 1.25x
- 1.1x 1.1x
- 1x 1x
- 0.75x 0.75x
- 0.5x 0.5x
Now that we've enabled migrations in our project, let's add our first or initial migration.
Follow Along
To follow along commiting your changes to this course, you'll need to fork the dotnet-ef-migrations repo. Then you can clone, commit, and push your changes to your fork like this:
git clone <your-fork>
cd dotnet-ef-migrations
git checkout tags/v1.3 -b adding-our-first-migration
Migration EDM Snapshots
Migration entity data model snapshots are stored as base-64 strings containing gzipped XML data. This is a compressed version of the EDMX for the model that was used to create the migration. This value is similar to the model values that are stored in the "__MigrationHistory" table.
Additional Learning
Related Discussions
Have questions about this video? Start a discussion with the community and Treehouse staff.
Sign up-
Ar33ss Leon
4,621 Points0 Answers
View all discussions for this video
Related Discussions
Have questions about this video? Start a discussion with the community and Treehouse staff.
Sign up
You need to sign up for Treehouse in order to download course files.
Sign upYou need to sign up for Treehouse in order to set up Workspace
Sign up