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Which of the following commands finds all the documents in the posts collection with post timestamp field as null?
Suggested Answer: C
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12 comments · newest first
MI
Minna
11 months ago
$type as null? Really? That seems off.
NO
Nobuko
12 months ago
Definitely not D, that doesn't make sense.
NI
Nickie
12 months ago
Wait, C has a syntax error, right?
MA
Marla
12 months ago
I think B is the right choice!
JU
Jules
1 year ago
Option A is incorrect, it should be $type.
BE
Benedict
1 year ago
Option C looks wrong to me, but I can't remember why. I think it had something to do with the syntax being off.
FL
Flo
1 year ago
I'm leaning towards option A, but I feel like `$type` is the right operator for checking field types.
VE
Verdell
1 year ago
I remember practicing a question where we had to find documents with null fields, but I can't recall the exact syntax.
JA
Jade
1 year ago
I think the command should check for null values, but I'm not sure if it's `$type` or something else.
RI
Rima
1 year ago
Okay, I've got a strategy for this. Video conferencing is all about connecting people remotely, so the key is whether it's real-time or not. I'll re-read the question carefully and go with the option that best fits.
TH
Thomasena
1 year ago
This looks like a straightforward manufacturing account question. I'll need to calculate the prime cost based on the information provided in the table.
KE
Kerry
1 year ago
Hmm, the monitor is marking the member as down even though it's working directly. I wonder if there's an issue with the monitor configuration.