Script schema of the entire database with Datagrip

I was looking for this today and just found it. If you right click the schema you want to copy and choose "Copy DDL" this will copy the create script to the clipboard.

From 2018.2 there is a feature called SQL generator. It will generate the whole DDL for the database/schema with several available options.

The result is:

BUT: If you want just to understand where the table is used, please use the dedicated functionality which is called Find Usages (Alt+F7 or context menu on a table name)