View the Exhibit and examine the structure of the promotions table. Evaluate the following SQL statement: Which statement is true regarding the outcome of the above query?
A.
It shows COST_REMARK for all the promos in the table.
B.
It produces an error because the SUBQUERY gives an error.
C.
It shows COST_REMARK for all the promos in the promo category 'TV'
D.
It produces an error because SUBQUERIES cannot be used with the case expression.
Simple if-then-else. If promo_cost >=... avg(promo_cost)... then 'HIGH' else 'LOW'. it's testing all promotions.
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cnyce
5 years, 11 months agoturtle
5 years, 8 months ago