A solution designer is designing the data model for an invoicing system. One of the item types in the system will hold customer information that includes company name, contact name, address and telephone number. The requirements Tor the system state that many of these customers will have multiple contacts with different phone numbers and possibly different addresses. The system must allow users to easily add these contacts and search for them, without relying on text based searching. Which of the following is the best way to design the data model so that it permits multiple contact information to be entered for each customer and located with a simple search"?

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C. Add several attributes to the customer item type for each piece of information which will be

Answer

A. Add a child component to the customer item type and place the attributes contact name, address

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B. Add a varchar attribute to the customer item type and use it to hold the contact information, making

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D. Create another item type to hold the attributes contact name, address and telephone number and

A solution designer is designing the data model for an invoicing system. One of the item types in the system will hold customer information that includes company name, contact name, address and…

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