13-27. Consider the four parts databases in Figure 13-9. a. Write an SQL statement that will increase the Balance in Part Number 98765 in Tulsa Parts by 20 percent and another SQL statement that will decrease the Balance in Part Number 12345 in New York Parts by 20 percent. b. Indicate whether the statement you wrote in part a is acceptable under each of the following: Remote unit of work Distributed unit of work Distributed request FIGURE 13-9 Hybrid data distribution strategy San Mateo Tulsa New York Accounting Customers San Mateo Parts Engineering Parts Standard Price List Tulsa Parts Standard Price List New York Parts Standard Price List Source: Based on Database Programming & Design, April 1989, Vol. 2, No. 4. 13-27. Consider the four parts databases in Figure 13-9. a. Write an SQL statement that will increase the Balance in Part Number 98765 in Tulsa Parts by 20 percent and another SQL statement that will decrease the Balance in Part Number 12345 in New York Parts by 20 percent. b. Indicate whether the statement you wrote in part a is acceptable under each of the following: Remote unit of work Distributed unit of work Distributed request FIGURE 13-9 Hybrid data distribution strategy San Mateo Tulsa New York Accounting Customers San Mateo Parts Engineering Parts Standard Price List Tulsa Parts Standard Price List New York Parts Standard Price List Source: Based on Database Programming & Design, April 1989, Vol. 2, No. 4