Explanation:The $polygon operator calculates distances using flat (planar) geometry. 10.________ 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
Explanation:The $polygon operator calculates distances using flat (planar) geometry. 10.________ 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
Explanation:Geospatial queries no longer return duplicate results. Sanfoundry Global Education & Learning Series – MongoDB.