Point out the wrong statement :
A. CURRENT references the start of the field path being processed in the aggregation pipeline stage
B. All stages start with CURRENT the same as ROOT
C. DESCENDING is one of the allowed results of a $let expression
D. None of the mentioned
Answer:A
Point out the wrong statement :
A. CURRENT references the start of the field path being processed in the aggregation pipeline stage B. All stages start with CURRENT the same as ROOT C. DESCENDING is one of the allowed results of a $let expression D. None of the mentioned