Question: 1. write an sql statement to add an attribute named inv_total to the invoice table 2. write a stored procedure to compute and assign the

1. write an sql statement to add an attribute named inv_total to the invoice table 2. write a stored procedure to compute and assign the total inventory value to INV_TOTAL given an inventory number. Name the procedure FourB. The inventory total for an invoice is defined as the sum of line unites * line price for all the lines in the invoice

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