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#26 You are writing a query to count the number of each unique type of LDA documented for male and female patients. The count should
#26 You are writing a query to count the number of each unique type of LDA documented for male and female patients. The count should be broken down by sex. A value of '2' in the column SEX_C means male. Which of the following counts the number of male patients per group in your query? SELECT ONE OF THE FOLLOWING (2 PTS) A. CASE WHEN SEX_C = '2' THEN COUNT( NULL ) ELSE 1 END B. CASE WHEN SEX_C = '2' THEN COUNT( 1 ) ELSE NULL END C. COUNT( CASE WHEN SEX_C = '2' THEN NULL ELSE 1 END ) D. COUNT( CASE WHEN SEX_C = '2' THEN 1 ELSE NULL END )
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