Ptt 大爆卦 | UPD UPH - 前往 https://stackoverflow.com/questions/17693517/how-to-multiply-a-value-inside-the-column-in-sql

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並前往https://stackoverflow.com/questions/17693517/how-to-multiply-a-value-inside-the-column-in-sql

how to multiply a value inside the column in sql - Stack Overflow

UPDATE yourtable SET UPD = UPH*24;. You could also create an insert trigger on the database. CREATE TRIGGER times24 BEFORE INSERT ON ...

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