| select time_by_day.the_year as c0, product_class.product_family as c1, customer.education as c2, sum(sales_fact_1997.unit_sales) as m0 from time_by_day as time_by_day, sales_fact_1997 as sales_fact_1997, product_class as product_class, product as product, customer as customer where sales_fact_1997.time_id = time_by_day.time_id and time_by_day.the_year = 1998 and sales_fact_1997.product_id = product.product_id and product.product_class_id = product_class.product_class_id and sales_fact_1997.customer_id = customer.customer_id and customer.education in ('Bachelors Degree', 'Graduate Degree') group by time_by_day.the_year, product_class.product_family, customer.education; |