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#4-1 You are writing a query to find out how often a surgeon's role is documented. Surgeons' roles are in the column ROLE_C. ROLE_C is
#4-1 You are writing a query to find out how often a surgeon's role is documented. Surgeons' roles are in the column ROLE_C. ROLE_C is populated only when a role IS documented. Part 1 of 2 Which of the following correctly counts the number of times a surgeon's role was documented? Assume correct granularity. SELECT ONE OF THE FOLLOWING (1 PT) A. COUNT(*) B. COUNT( ROLE_C) C. COUNT(*) + COUNT( ROLE_C) D. COUNT(*) - COUNT( ROLE_C)
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