Relational databases enforce integrity to ensure, for instance, that a teacher can't be assigned to a class table unless they already exist in the teacher table.

Duplicating objects creates copies that a. move differently than the original object b. erase the original object c. look and act like the original object d. add events to a game

Consider the simple 3-station assembly line illustrated below, where the 2 machines at station 1 are parallel, i.e., the product only needs to go through one of the 2 machines before proceeding to station 2.what is the throughput time of this process?

Anetwork security application that prevents access between a private and trusted network and other untrusted networks