Is your feature request related to a problem? Please describe.
SQL Server 2019 introduced a new DMV, called dm_db_missing_index_group_stats_query that includes some interesting columns. It's not documented so far, but it provides some information that can be used to tie missing index requests to queries.

![image](https://user-images.githubusercontent.com/2136037/68211846-5a879600-ffa6-11

Expected Behavior

Removing a column should remove only the column.
If the removed column is primary key, only then the constraint should be deleted.

Current Behavior

Migration that removes a column (or rollback for add column) removes the primary key constraint from the table.

Possible Solution

Adding primary_key: false doesn't remove the constraint. If this is expected beh

Was working through your guide
https://www.pluralsight.com/guides/asp-net-mvc-populating-dropdown-lists-in-razor-views-using-the-mvvm-design-pattern-entity-framework-and-ajax

and noticed this. As a beginner, I was a little confused til I looked at the source here.