Explanation:Before storing your location data and writing queries, you must decide the type of surface to use to perform calculations. 9. Which of the following is used to calculate distances on a Euclidean plane ?
A. 2dsph
B. 2d
C. geoHaystack
D. All of the mentioned
Answer:A
Explanation:Before storing your location data and writing queries, you must decide the type of surface to use to perform calculations. 9. Which of the following is used to calculate distances on a Euclidean plane ?
A. 2dsph B. 2d C. geoHaystack D. All of the mentioned
Explanation:Store your location data as legacy coordinate pairs 10.Queries on ________ objects always calculate on a sphere.