MongoDB
C100DBA · Question #39
What does the totalKeysExamined field returned by the explain method indicate?
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Monitoring and Diagnostics
Question
What does the totalKeysExamined field returned by the explain method indicate?
Options
- ANumber of documents that match the query condition
- BNumber of index entries scanned
- CDetails the completed execution of the winning plan as a tree of stages
- DNumber of documents scanned
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Topics
#explain#totalKeysExamined#index scanning#query diagnostics