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我的代碼是:如何組合同一列中具有相同數據的多行?
SELECT datepart(year, request_created_date) AS request_year,
datepart(month, request_created_date) AS request_month,
datepart(week, request_created_date) AS request_week,
count(request_id) AS request_count
FROM nyc311_requests
GROUP BY request_created_date
ORDER BY request_week
在我得到的輸出,我有兩排,其中request_week是36個7行,其中它是37.我想要的是列一樣,合併成一排。
您是否嘗試過改變你GROUP BY到'GROUP BY DATEPART(周,request_created_date)' – Linger
是的,但我得到一個錯誤,指出request_created_date是無效的,因爲它不是一個聚合或在GROUP BY條款。 –
以下情況如何:GROUP BY日期部分(year,request_created_date),datepart(month,request_created_date),datepart(week,request_created_date)' – Linger