Hello, Please answer this short questions asap...

1.How do inclusive and exclusive subtypes differ.

2.What is an entity class vs an entity instance?

3.What Makes up an ER Diagram?

4.Describe a one to many relationship?

5.How does a composite key differ from a non-composite key?

6.If I have run a coffee shop and have two entities - orders and menu Items, which is the strong entity and which is the weak entity and why?

Thanks in advance.