Explanation:Rapid increases in the MongoDB page fault counter may indicate that the server has too little physical memory. 8. Which of the operator is used to access the query field of documents within system.profile ?
A. $select
B. $retrieve
C. $query
D. None of the mentioned
Answer:A
Explanation:Rapid increases in the MongoDB page fault counter may indicate that the server has too little physical memory. 8. Which of the operator is used to access the query field of documents within system.profile ?
A. $select B. $retrieve C. $query D. None of the mentioned
Explanation:You can view the output of the profiler in the system.profile collection of your database by issuing the show profile command.