Reset Identity column in SQL Server

Question

I am making an SQL database that stores contacts. I want to be able to delete contacts, and the correct id for each contact is crucial for my software connecting to it. Lets

Answer 1

That's not how IDs work, and not how they should work. The ID should never change, or all the linked information would point to the wrong row.

Instead, why not add a "External_ID" column that you control? Or number them dynamically in your query (with a computed column?)