了解SQL Server中所有数据库表之间的关系

I wish to all know how the tables in my database are related to each other (i.e PK/FK/UK) and hence i created a database diagram of all my tables in SQL Server. The diagram that was created was not easily readable and had to scroll (horizontally and sometimes vertically) to see the table on the other end.I wish to all know how the tables in my databas