A PHP Error was encountered

Severity: 8192

Message: str_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated

Filename: libraries/Filtered_db.php

Line Number: 23

Which of the following methods can be used in MongoDB for relation documents?
Q:

Which of the following methods can be used in MongoDB for relation documents?

0

Which of the following methods can be used in MongoDB for relation documents?


  1. Manual References
  2. DBRefs
  3. Both a and b
  4. There is no concept of relations in documents

All Answers

need an explanation for this answer? contact us directly to get an explanation for this answer

Correct Answer:

C.Both a and b

need an explanation for this answer? contact us directly to get an explanation for this answer

total answers (1)

This question belongs to these collections

Similar questions


need a help?


find thousands of online teachers now