Sql Server using DateTime as Primary Key

Question

Hi my questions is similar to:

MySQL: Using DATETIME as primary key

But I\'m specifically interested in Sql Server and I want to approach the question practi

Answer 1

Yes you can, but it sounds like a very bad idea to me. If you are really worried about performance, you can use a sequential unique identifier, an auto-incrementing integer, or you can give the DateTime column its own clustered index (recommended).