Calculate Age from Card Number in SQL
SELECT YEAR(NOW()) - CAST(SUBSTRING(p.cardnum, 7, 4) AS UNSIGNED) AS result FROM your_table AS p
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SELECT YEAR(NOW()) - CAST(SUBSTRING(p.cardnum, 7, 4) AS UNSIGNED) AS result FROM your_table AS p
原文地址: https://www.cveoy.top/t/topic/pZTU 著作权归作者所有。请勿转载和采集!