The Following Queries Produce the Same Results

question 74

True/False

The following queries produce the same results.
Select DISTINCT customer_name, customer_city
from customer, salesman
where customer.salesman_id = salesman.salesman_id
and salesman.lname = 'SMITH';
select customer_name, customer_city
from customer
where customer.salesman_id =
(select salesman_id
from salesman
where lname = 'SMITH');

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Definitions:

Lymphocytes

A subtype of white blood cell found in lymph that plays a crucial role in the immune response by identifying and neutralizing pathogens.

Self-antigens

Molecules present within an individual's own cells that are recognized by the immune system as belonging to the self, preventing an immune response against them.

Phagocytosis

A cellular process where cells engulf and digest particles or other cells.

Inflammation

A biological response to harmful stimuli, such as pathogens or damaged cells, leading to redness, swelling, pain, and heat in the affected tissues.