Explanation:The query returns legacy coordinate pairs that are within the bounds of the circle. 10.________ index must exist on a field holding coordinates before using any of the geospatial query operators.
A. Unique
B. Geospatial
C. Temporal
D. All of the mentioned
Answer:A
Explanation:The query returns legacy coordinate pairs that are within the bounds of the circle. 10.________ index must exist on a field holding coordinates before using any of the geospatial query operators.
A. Unique B. Geospatial C. Temporal D. All of the mentioned
Explanation:Only the 2d geospatial index supports $center. Sanfoundry Global Education & Learning Series – MongoDB.