Answer:
Below is the required statement:
Explanation:
select c.categoryname
from categories c
where not exists (select 1 from products p where p.categoryid = c.categoryid);
Producers must understand the marginal benefit of making an additional unit which shows the possible gain. Marginal benefit is used in business and economics as a measurement of the change in benefits over the change in quantity. Possible gain is one example of benefit. This measurement provides the relevant measurement of benefits at a specific level of production and consumption.
Answer:
direct organization
Explanation:
Based on the description that is provided within the question it can be said that the term being described is called a direct organization. Like mentioned in the question this term refers to data that is stored in direct-access devices and can be easily and quickly retrieved if you know the address identifying where the record is physically stored in the database file.