Examples can be presented as bullet points

a. true
b. false

a

Business

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The presence of one or more foreign keys in a relation means that we cannot eliminate duplicated data in that table

Indicate whether the statement is true or false

Business

Many times demographic and psychographic information about customers is not available through internal company records. In these situations:

A) the information can be purchased from external marketing research firms. B) a company can offer customers an incentive to provide the necessary information. C) the database can be appended with interaction and history information. D) geocoding can be appended to each customer's record.

Business