Explanation:Run db.collection.explain() or the cursor.explain() method in allPlansExecution mode. 8. The __________ operator constrains the results of a geospatial $near or $nearSphere query to the specified distance.
A. $center
B. $maxDistance
C. $minDistance
D. All of the mentioned
Answer:A
Explanation:Run db.collection.explain() or the cursor.explain() method in allPlansExecution mode. 8. The __________ operator constrains the results of a geospatial $near or $nearSphere query to the specified distance.
A. $center B. $maxDistance C. $minDistance D. All of the mentioned
Explanation:The measuring units for the maximum distance are determined by the coordinate system in use. 9. To force MongoDB to use a particular index for a db.collection.________ operation, specify the index with the hint() method.