G= c("P52" ,"P52","P66 - PARK II","P66 - PARK II" ,"P66 - PARK II" ,"P66 - PARK II" ,"P82 V3","P82 V3","P82 V3","P52","P52","P66 - PARK II" ,"P66 - PARK II" ,"P82 V3","P66 - PARK II" ,"P66 - PARK II"
我無法在我的SQL Select語句的Group By中鍵入時間戳記日期類型。 SELECT geography_id,
listed_at::DATE,
EXTRACT(YEAR FROM listed_at) AS year,
EXTRACT(MONTH FROM listed_at) AS month,
EXTRACT(day FROM lis