Explanation:$match uses standard MongoDB queries. For each input document, outputs either one document (a match) or zero documents (no match). 2. Point out the wrong statement :
A. Documents do not pass through the stages in sequence
B. Pipeline stages appear in an multi dimensional array
C. $project reshapes each document in the stream, such as by adding new fields or removing existing fields
D. All of the mentioned
Answer:A
Explanation:$match uses standard MongoDB queries. For each input document, outputs either one document (a match) or zero documents (no match). 2. Point out the wrong statement :
A. Documents do not pass through the stages in sequence B. Pipeline stages appear in an multi dimensional array C. $project reshapes each document in the stream, such as by adding new fields or removing existing fields D. All of the mentioned
Explanation:For each input document, outputs one document. 3. Which of the following can be used to implement field level redaction ?