Any topic (writer’s choice)

HW2 – Partb:

For this example, you can draw E-R diagram in two different ways — with or without weak entity.

If you want to draw it without weak entity make sure — that entity has it’s own unique identifier.

You can use candidate key (e.g., cust_name, cust_addr) as a unique identifier.

In the diagram you can make two attributes as unique identifier (candidate key) by underlining both attribute. Example is attached (Refer to JPG or VSD file).

find the cost of your paper