title: SQL Server - computed date column
body: <p>I want to create 'Conferences' table and set EndDate as StartDate + ConferenceDays. Is there any way how to do that? </p>
  
  <pre><code>create table Conferences(
      ConferenceID int not null primary key,
      ConferenceName varchar(50) not null,
      ConferenceDays int not null,
      StartDate date not null,
      EndDate date not null,
  )
  </code></pre>