Ron is in the process of designing tables for a database that will contain information for all school matches played in a year. what kind of a field must he define to prevent users from entering duplicate values?

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4. a1. vince owns a television repair shop that is insured undera commercial package policy. the policy includes thebuilding and personal property coverage form and thecauses-of-loss broad form. the declarations page indicatesthat coverage applies to both the building and the namedinsured's business property. explain whether or not thefollowing losses would be covered under his policy. a. a fire occurs on the premises, and the building isbadly damaged. b. a burglar steals some money and securities from anunlocked safe. c. a business computer is damaged by vandals whobreak into the shop after business hours. d. a tornado touches down near the store. several tel-evision sets of customers in the shop for repair aredamaged in the storm. til

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