C100DBA Exam Question 1
Which of the following about Capped Collections is correct?
C100DBA Exam Question 2
Which of the following operator can be used to limit the number of documents in an array field of a document after an update is performed?
C100DBA Exam Question 3
What read preference should your application use if you want to read from the primary under normal circumstances but allow reads from secondaries when a primary is unavailable?
C100DBA Exam Question 4
Which features of relational database management systems were deliberately omitted in MongoDB and help us to obtain horizontal scalability? Check all that apply.
C100DBA Exam Question 5
What does the totalKeysExamined field returned by the explain method indicate?