Relational tables need to be DISTINCT to help avoid duplicate data.
Distinct is defined as readily distinguished or recognizably different in nature from something of similar type.
Being distinct is the first integrity rule that a relational table follows. It ensures that the data in the table are always accurate and accessible.
The brain ( computer science engineering)
The nervous system ( electrical engineering)
The body ( Mechanical engineering). The mechanical engineer is in the charge of the physical system that makes up the robot.
Answer:
the printer works by spraying ink onto paper. Ink-Jet printers
use a laser beam and static electricity to transfer words and images to paper. Laser printers
are primarily business printers because they produce high-quality printed material and are expensive to purchase. Laser Printers
Laser printers use a special powdered ink called toner