Question: Write an UPDATE statement that modifies the invoice you added in exercise 4. This statement should change the credit_total column so it's 10% of the
Write an UPDATE statement that modifies the invoice you added in exercise 4. This statement should change the credit_total column so it's 10% of the invoice_total column, and it should change the payment_total column so the sum of the payment_total and credit_total columns are equal to the invoice_total column.
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