Answer:
(a) Correlated.
Explanation:
Correlated subquery :These sub queries reference columns from outer table or uses values from outer query.These sub queries are processed atleast once for every row processed.So because of this reason correlated sub queries can be slow.Since the query in the question also uses value from the outer query so it is a correlated query.
Answer:
252
Explanation:
I tested the code and it outputted 252
hope i helped :D
U could first highlight text, right click then copy, and then Ctrl + v. You could find Ctrl (or control) under the shift button to your left
I hope this helped:D
A benefit, profit, or value of something that must be given up to acquire or achieve something else. Since every resource (land, money, time, etc.) can be put to alternative uses, every action, choice, or decision has an associated opportunity cost<span>.</span>
