So one day, I needed to quickly check if an identity field in a view in a Microsoft SQL Server was actually unique or not. I was running into weird issues with Entity Framework throwing an error somewhat like this: Store update, insert, or delete statement affected an unexpected number of rows (2) Or somewhat like this: Type: DbUpdateConcurrencyExceptionStore update, insert, or delete statement affected an unexpected number of rows ([row count]). Entities may have been modified or deleted since entities were loaded. See http://go.microsoft.com/fwlink/?LinkId=472540…Continue reading How to form a parameterized SQL query to find duplicates in a table.