Explanation:Both 2d and 2dsphere indexes can support inclusion queries. 3. MongoDB supports spherical surface calculations on legacy coordinate pairs using a _______ index
A. 2dsphere
B. 2d
C. geoHaystack
D. All of the mentioned
Answer:A
Explanation:Both 2d and 2dsphere indexes can support inclusion queries. 3. MongoDB supports spherical surface calculations on legacy coordinate pairs using a _______ index
A. 2dsphere B. 2d C. geoHaystack D. All of the mentioned
Explanation:If you choose flat surface calculations via a 2d index, you can store data only as legacy coordinate pairs. 4. Inclusion queries use the _________ operator in MongoDB.