Adding an identity to an existing column

Question

I need to change the primary key of a table to an identity column, and there\'s already a number of rows in table.

I\'ve got a script to clean up the IDs to ensure

Answer 1

If you happen to be using Visual Studio 2017+

1. In Server Object Explorer right-click on your table and select "view code"
2. Add the modifier "IDENTITY" to your column
3. Update

This will do it all for you.