This Quiz contains totally 10 Questions each carry 1 point for you.
1. Which of the following also returns a list of databases?
show database
show databases
display db
None of the above
Correct!
Wrong!
2. Which of the following method is used to query documents in collections?
replace
shall
move
find
Correct!
Wrong!
3. Point out the wrong statement.
A single MongoDB server typically has single databases
Database is a physical container for collections
Collection is the equivalent of an RDBMS table
None of the above
Correct!
Wrong!
4. MongoDB stores all documents in _____________
collections
rows
tables
All the above
Correct!
Wrong!
5. Which of the following pipeline is used for aggregation in MongoDB?
information processing
data processing
knowledge processing
None of these
Correct!
Wrong!
6. In aggregation pipeline, the _______ pipeline stage provides access to MongoDB queries.
$match
$batch
$catch
All the above
Correct!
Wrong!
7. Which of the following functionality is used for aggregation framework?
$projectmatch
$project
$match
All the above
Correct!
Wrong!
8. Which of the following is not a projection operator?
$elemMatch
$elem
$
none of the above
Correct!
Wrong!
9. Which of the following flag can be set by mongo shell?
noTimeout
Timeout
Time
none of the above
Correct!
Wrong!
10. A query _______ consists of a combination of query, sort, and projection specifications.
shape
stats
plan
all the above
Correct!
Wrong!
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Mongo-DB-Quiz-6
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