Explanation:repairDatabase is analogous to a fsck command for file systems. 9. The files_id field contains the _id of the chunk’s __________ document.
A. parent
B. child
C. top
D. None of the mentioned
Answer:A
Explanation:repairDatabase is analogous to a fsck command for file systems. 9. The files_id field contains the _id of the chunk’s __________ document.
A. parent B. child C. top D. None of the mentioned
Explanation:GridFS uses a unique, compound index on the chunks collection for the files_id and n fields. 10. Which of the following field allows efficient retrieval of chunks ?