Explanation:You will receive an error if you attempt to create a compound index that includes a hashed index. 6. To calculate geometry over an Earth-like sphere, store your location data on a spherical surface and use _____ index.
A. 2dsphere
B. 2d
C. geoHaystack
D. All of the mentioned
Answer:A
Explanation:You will receive an error if you attempt to create a compound index that includes a hashed index. 6. To calculate geometry over an Earth-like sphere, store your location data on a spherical surface and use _____ index.
A. 2dsphere B. 2d C. geoHaystack D. All of the mentioned
Explanation: Secondary members replicate deletion operations from the primary. 7. ______ indexes can be constructed over arrays that hold both scalar values (e.g. strings, numbers) and nested documents.