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Segment -- Flight cardinality

 
Adrian Irons
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Posts: 14
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I assume that a Segment is an OrderLine for an itinerary. If I mantain the cardinality between Segment and Flight this means that I flight only exists if a Segment exists too (1..1) and this is the same if I say that a product only exists if exists an OrderLine for this product.

What do you think about that?

I will apreciate your comments.
 
suekar meredilko
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Originally posted by Adrian Gonzalez:
I assume that a Segment is an OrderLine for an itinerary. If I mantain the cardinality between Segment and Flight this means that I flight only exists if a Segment exists too (1..1) and this is the same if I say that a product only exists if exists an OrderLine for this product.

What do you think about that?

I will apreciate your comments.


yeah you are right...A flight is a segment. They have a 1-1 association.
 
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