Answer:
No, think about mass surveillance in China (and in USA!), and the "social credit" system.
Answer:
FROM.
Explanation:
UPDATE table
SET column=value,column1=value1,.....
WHERE condition;
In the UPDATE command given in the question FROM is optional because when using UPDATE we already mention the table name with update look at the syntax above.So there is no need to again mention the table name in FROM.All other three are required that is UPDATE,SET,WHERE.
180 meters in 60 seconds is an average speed of 180m/60s = 3 m/s.