title: Cannot create table due to 'invalid datatype.' Oracle SQL
body: <p>So, I'm simply creating a table called <code>Flight</code>. Here's the syntax:</p>
  
  <p><img src="https://i.stack.imgur.com/Aza29.png" alt=""></p>
  
  <p>Everything looks fine. I can't figure out what it is. Any help will be appreciated</p>