mysql提取身份证生日并查询指定月份的数据

根据身份证提取生日：spa SELECT CAST(SUBSTRING(身份证号码,7,8) AS DATE) as 年份，数据 FROM_UNIXTIME(UNIX_TIMESTAMP(CAST(SUBSTRING(certificate_no,7,8) AS DATETIME)),'%c') AS 月份, 查询 FROM_UNIXTIME(UNIX_TIMESTAMP(CAST(SUBSTRI

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