Posts by Emerson Ferreira Bezerra • 26 points

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  A: Subtract a sum value (SUM) from SQL?

  As you are dynamically making a total sum of the amounts of credit, there is no way to decrease some value of this total directly on a permanent basis. You will need to somehow record this amount to…

  php sql

  answered 7 years, 1 month ago Emerson Ferreira Bezerra 26