Oh dear, I know that feeling. It's just a few rows and you've done it a hundred times before. You type in the delete query in a rush and look at it for a minute

Oh dear, I know that feeling. It's just a few rows and you've done it a hundred times before. You type in the delete query in a rush and look at it for a minute.. Just to make sure... Well OK: You hit F5 and then it runs... and runs... and runs... (12'503'450 rows affected) Oh crap.