@RealBenjizo Always remember that SQL is a declarative language, it means you provide what you want the output looks like, that's the correct way to always solve problem using this language.
@RealBenjizo Option A: "Give me customer names where there exists at least one order with a matching CustomerID."
Option B: "Finds customers whose ID appears in the Orders table."
Option C: ". It just checks if the Orders table has any rows at all.
Correct Answers: D) Both A & B
I build myself, upskilling through the night, Dreaming of freedom, a motorbike's bright flight. How can I ask you in, to this uncertain space? When all I offer is a borrowed, fleeting grace.
Torn by duties, burdened by life's demand, Your quiet light offers a hopeful hand. My income, my hours, not fully my own, A family's foundation, seeds I've deeply sown.
@airmineralle The correct phrase is "by the end of the month" - it means that something needs to be completed before the month is over, while "on the end of the month" is not a common phrase and would not convey the same meaning. :D