Explanation:MongoDB runs the query optimizer to choose the winning plan for the operation under evaluation. 10.By default, db.collection.explain() runs in ___________ verbosity mode.
A. VerbosityMode
B. queryPlanner
C. executeStats
D. None of the mentioned
Answer:A
Explanation:MongoDB runs the query optimizer to choose the winning plan for the operation under evaluation. 10.By default, db.collection.explain() runs in ___________ verbosity mode.
A. VerbosityMode B. queryPlanner C. executeStats D. None of the mentioned
Explanation:db.collection.explain() returns the queryPlanner information for the evaluated method. Sanfoundry Global Education & Learning Series – MongoDB.