I'm actually i deep doubts with this.
Price is not a thing itself, good point. But in my
case, it was the best way i found out to model.
Suppose you got a company the rents a place (just a
big room, or a party house) for any kinda envents
you'd to make. The company is clear an entity, and the
Hi,
i have a M:N relationship between PRODUCT and PRICE.
1 product may be associated to N prices and 1 prices
may belong to N products.
I got special cases the some kinda product MUST have
only 1 price associated with it.
I don't what would be the best way to model this
flag for the special case.
Leandro Melo wrote:
Hi,
i have a M:N relationship between PRODUCT and PRICE.
Is Price an Entity or an Attribute? I'm not accustomed to using price as
a Thing. What is it that causes a Product to have one, exactly, or more
prices? Is it its relationship to some other thing? Or is it a special
