Concept explainers
The view V_PAT_ADT_LOCATION_HX returns one row of information per bed stay. The column ADT_DEPARTMENT_ID is the ID of the bed's department. The column ADT_DEPARTMENT_NAME is that department's name. Two distinct departments can potentially share the same name.
Which of the following queries would return exactly one row per department and display the name of the department?
A. SELECT ADT_DEPARTMENT_ID, MIN(ADT_DEPARTMENT_NAME) FROM V_PAT_ADT_LOCATION_HX
GROUP BY ADT_DEPARTMENT_ID
B. SELECT MIN(ADT_DEPARTMENT_ID), ADT_DEPARTMENT_NAME FROM V_PAT_ADT_LOCATION_HX GROUP BY ADT_DEPARTMENT_ID
C. SELECT 'ADT_DEPARTMENT_ID', ADT_DEPARTMENT_NAME FROM V_PAT_ADT_LOCATION_HX GROUP BY ADT_DEPARTMENT_ID
D. SELECT ADT_DEPARTMENT_ID, 'ADT_DEPARTMENT_NAME' FROM V_PAT_ADT_LOCATION_HX GROUP BY ADT_DEPARTMENT_ID
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