想同時使用 group by 子句和 sum 聚合器

Question

SELECT 
    state_name AS State_Names,
    totaloccupancy AS Total_OccupiedProperties,
    totalproperty AS Total_Properties, 
    CAST(ROUND(totaloccupancy * 100.0 / totalproperty, 1) AS REAL) AS Occupancy_Percentage 
FROM 
    OCCUPANCYPERCENTAGE

輸出：

State_Names Total_OccupiedProperties    Total_Properties    Occupancy_Percentage
Florida 2   2   100
Florida 1   2   50
Florida 13  16  81.3
Florida 40  51  78.4
Georgia 2   2   100
Georgia 49  54  90.7
Georgia 4   4   100
Georgia 1   1   100
Georgia 1   1   100
Georgia 1   1   100
Georgia 17  17  100
Georgia 7   7   100
Georgia 6   7   85.7
Georgia 15  19  78.9
Georgia 8   9   88.9
Georgia 33  34  97.1
Georgia 9   9   100
Georgia 2   2   100
Georgia 14  18  77.8
Georgia 2   2   100
Georgia 10  12  83.3
Georgia 1   2   50
Georgia 1   1   100
Georgia 9   10  90
Georgia 1   3   33.3
Georgia 2   2   100
Georgia 32  36  88.9
Georgia 1   1   100
Georgia 6   6   100
Georgia 1   1   100
Georgia 87  99  87.9
Georgia 4   6   66.7
Georgia 2   3   66.7
Georgia 1   1   100
Georgia 9   12  75
Georgia 1   1   100
Georgia 4   4   100
Georgia 6   6   100
Georgia 2   3   66.7
Georgia 7   7   100
Georgia 1   1   100
Georgia 2   2   100
Georgia 6   7   85.7
Georgia 46  54  85.2
Georgia 1   1   100
Georgia 1   1   100
Georgia 1   2   50
Georgia 5   6   83.3
Georgia 68  84  81
Georgia 2   2   100
Georgia 3   3   100
Georgia 15  18  83.3
Georgia 7   7   100
Georgia 1   1   100

現在我想按州分組以獲取總占用財產、總財產和總占用百分比，但出現錯誤

消息 8120，第 16 層，狀態 1，第 36 行
列 'OCCUPENCYPERCENTAGE.totaloccupancy' 在選擇列表中無效，因為它不包含在聚合函數或 GROUP BY 子句中。

請幫助

Answer 1

CAST(ROUND(totaloccupancy * 100.0 / totalproperty, 1) AS FLOAT) AS Occupancy_Percentage 

嘗試 CAST as FLOAT