select a.userid, b.userid, c.userid from Able a left join Brake b on b.userid = a.userid left join Cost c on c.userid = a.userid
Guid.NewGuid().ToString("N")
DateTime.UtcNow.ToString("yyyyMMddHHmmss")
group emp by emp.Field<int>("UserId") into g
------------------------------- First Name | Last Name | Age ------------------------------- Bill | Gates | 51 Edna | Parker | 114 Johnny | Depp | 44 -------------------------------