wingstech
May 16th 2006, 12:57 pm
Hi:
I had posted an ER diagram (see the attachment file er.jpg). In the diagram, there is a weak entity VISITS which is on the right side of diagram. That weak entity has a partial key StartDate. What is the full key of the weak entity VISITS? thanks.
I had posted an ER diagram (see the attachment file er.jpg). In the diagram, there is a weak entity VISITS which is on the right side of diagram. That weak entity has a partial key StartDate. What is the full key of the weak entity VISITS? thanks.