Explanation:Indexes may also enforce uniqueness, store objects in a geospatial representation, and facilitate text search. 6. Which of the following operation adds a new document to the users collection ?
A. add
B. insert
C. truncate
D. drop
Answer:A
Explanation:Indexes may also enforce uniqueness, store objects in a geospatial representation, and facilitate text search. 6. Which of the following operation adds a new document to the users collection ?
A. add B. insert C. truncate D. drop
Explanation:For the update and delete operations, you can specify the criteria to select the documents to update or remove. 7. Which of the following preference determines how the client direct read operations to the set ?