How would you build the table structure?

Question

Database design

Hello!
How to properly build Posts table structure for Youtube API?
A post can only have two types of Youtube content.
1) Just a video (VideoId)
2) Playlist (PlaylistId)
How to build a table structure so that later you also have the opportunity to receive a Playlist, is it ...
Sorry, I illiterately compiled the question, I'm tired, I think you will understand)
Thank you!

Answer 1

the following code example illustrates how cell values ​​of a FireMonkey TGrid are assigned at run time .