Explanation:The files_id field contains the _id of the chunk’s “parent” document. 8. The ______ field is always the first field in the document.
A. _id
B. id
C. Ob_id
D. None of the mentioned
Answer:A
Explanation:The files_id field contains the _id of the chunk’s “parent” document. 8. The ______ field is always the first field in the document.
A. _id B. id C. Ob_id D. None of the mentioned
Explanation:Updates that include renaming of field names may result in the reordering of fields in the document. 9.The GridFS index allows efficient retrieval of __________ using the files_id and n values