ORACLE用GROUP BY 来分组日期字段 按月分组
SELECT to_char(日期字段,"yyyymm"),sum(*)
FROM [TableName]
group by to_char(日期字段,"yyyymm"); SELECT to_char(日期字段,"yyyymm"),sum(*)
FROM [TableName]
group by to_char(日期字段,"yyyymm");
FROM [TableName]
group by to_char(日期字段,"yyyymm"); SELECT to_char(日期字段,"yyyymm"),sum(*)
FROM [TableName]
group by to_char(日期字段,"yyyymm");
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