-- 按天统计 select to_char(t.CREATED+15/24,'YYYY-MM-DD') as 天,sum(1) as 数量 from TB_EXT_TradE t WHERE t.TID LIKE 'SC%' OR t.TID LIKE 'WSC%' group by to_char(t.CREATED+15/24,'YYYY-MM-DD') --trunc(t.CREATED,'DD') ORDER by 天 NULLS LAST;
-- 按自然周的日期统计 select to_char(next_day(t.CREATED+15/24 - 7,2),'YYYY-MM-DD') AS 周,sum(1) as 数量 from TB_EXT_TradE t WHERE t.TID LIKE 'SC%' OR t.TID LIKE 'WSC%' group by to_char(next_day(t.CREATED+15/24 - 7,'YYYY-MM-DD') ORDER BY 周;
-- 按自然周统计 select to_char(t.CREATED,'iw') AS 周,sum(1) as 数量 from TB_EXT_TradE t WHERE t.TID LIKE 'SC%' OR t.TID LIKE 'WSC%' group by to_char(t.CREATED,'iw') ORDER BY 周;
-- 按自然月统计 select to_char(t.CREATED,'YYYY-MM') as 月份,sum(1) as 数量 from TB_EXT_TradE t WHERE t.TID LIKE 'SC%' OR t.TID LIKE 'WSC%' GROUP BY to_char(t.CREATED,'YYYY-MM') -- to_char(t.CREATED+15/24,'yyyy-mm') 不大准确 ORDER BY 月份;
-- 按季统计 select to_char(t.CREATED,'q') 季度,'q') ORDER BY 季度 NULLS LAST;
--按年统计 select to_char(t.CREATED,'yyyy') AS 年度,'yyyy') ORDER BY 年度;
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