________ returns a document only once for a geospatial query even if the document matches the query multiple times.
A. $uniqueDocs
B. $unique
C. $Docs
D. All of the mentioned
Answer:A
________ returns a document only once for a geospatial query even if the document matches the query multiple times.
A. $uniqueDocs B. $unique C. $Docs D. All of the mentioned