Explanation:Before version 2.2, this lock was implemented on a per-mongod basis. Since version 2.2, the lock has been implemented at the database level. 10. Which of the following sorting is not supported by MongoDB ?
A. collation
B. collection
C. heap
D. None of the mentioned
Answer:A
Explanation:Before version 2.2, this lock was implemented on a per-mongod basis. Since version 2.2, the lock has been implemented at the database level. 10. Which of the following sorting is not supported by MongoDB ?
A. collation B. collection C. heap D. None of the mentioned
Explanation:MongoDB does not support collation-based sorting and is limited to byte-wise comparison via memcmp. Sanfoundry Global Education & Learning Series – MongoDB.