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Crima
Starting Member
17 Posts |
 Posted - 2012-11-13 : 20:21:58
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| Design a database diagram that allows individuals to be assigned membership in one ormore groups. Each group can have any number of individuals and each individual canbelong to any number of groups. Create additional tables and columns, if necessary.Explain your design decisions. (Draw the diagram in Visio and copy drawing into a worddocument) I don't understand what the question is asking can someone please explain?-CrimaA witty student |
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TG
Master Smack Fu Yak Hacker
6065 Posts |
Posted - 2012-11-13 : 22:17:14
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| It's not so much a question as an assignment and the instructions are quite clear. Please post the specific phrase that you don't understand.Do you get these parts?- design a database diagram using Visio.- Create all the objects necessary to satisfy the requirements- explain the design choices- copy the finished design into a word documentBe One with the OptimizerTG |
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Crima
Starting Member
17 Posts |
Posted - 2012-11-13 : 23:12:40
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| "individuals to be assigned membership in one or more groups" and "Each group can have any number of individuals and each individual canbelong to any number of groups" Does this mean make up my own scenario? like include First name, Last name, phone number, address ect. In my table.The wording of this has deeply confused me.A witty student |
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TG
Master Smack Fu Yak Hacker
6065 Posts |
Posted - 2012-11-13 : 23:55:15
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| It does mean make up your own scenario. The details are up to you but the key points are:- The Entities: (individual and group)- The relationship between these entities (0,1,or many individuals per group - and 0,1,or many groups per individual)Life is full of these types of relationships:authors and bookscitizens and committeespeople and petshomes and ownersetc.Your assignment is to pick two entities with a many-to-many relationship and model it as database objects. How many tables do you think you need for this?Be One with the OptimizerTG |
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chadmat
The Chadinator
1974 Posts |
Posted - 2012-11-13 : 23:56:49
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| It is just asking you to model a many to many relationship. I don't think the attributes you assign to the given entities is as important as just modeling the relationship correctly.-Chad |
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Crima
Starting Member
17 Posts |
Posted - 2012-11-14 : 19:51:47
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| Thank you that is all I needed :)A witty student |
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can someone help me understand this?