Question: I don't understand it a can someone explain it to me. this is SQL. Exercise 1: Find the model number, speed and hard drive capacity

I don't understand it a can someone explain it to me.
this is SQL.
Exercise 1: Find the model number, speed and hard drive capacity for all the PCs with prices less than 500 Which One of the below options is the Correct Answer: A. select model,speed, hd from pc where price 500 B. select model from pc where price 500 select model, speed, hd from product where price
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