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Which of the following SQL queries counts the number of occurrences for each value of the field order_type in the table orders?
Suggested Answer: B
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11 comments · newest first
TR
Tresa
11 months ago
B is the standard way to do it, can’t argue with that!
LO
Louvenia
12 months ago
Surprised E even made it on the list, what a mess!
NG
Ngoc
12 months ago
C makes no sense, that’s not how you count!
DA
Dahlia
12 months ago
I think A looks okay too, but it’s not quite right.
YV
Yvonne
1 year ago
B is definitely the right choice!
RU
Rusty
1 year ago
I don't recall seeing anything like option C in our practice; it just doesn't seem right to count a subquery like that.
LI
Lisandra
1 year ago
Option A seems off because it uses a WHERE clause incorrectly; I feel like I've seen similar questions before.
JA
Jarod
1 year ago
I'm not entirely sure, but I remember something about using GROUP BY for counting distinct values.
NI
Nicolette
1 year ago
I think option B looks familiar; it seems like the right way to group and count occurrences.
KA
Kanisha
1 year ago
I feel pretty confident about this one. The key is understanding that the responsible regulatory agency would be the one to provide the official interpretation of the law, so the answer has to be B. Regulations.
JE
Jean
1 year ago
Hmm, I'm a bit unsure about this one. I'll need to think carefully about the differences between the options and which ones are most directly related to resilience.