MongoDB Quiz
Authored by mohammed ahmed
Engineering
University
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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which command is used to show all databases in MongoDB?
db.show()
show dbs
show databases
dbs.show()
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What command switches to a database named studentDB?
switch studentDB
use studentDB
db studentDB
select studentDB
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which command displays all collections in the current database?
show collections
show tables
db.showCollections()
show all
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you insert one document into a collection named students?
students.insert({name:"Ali"})
db.students.insertOne({name:"Ali"})
insert students({name:"Ali"})
db.students.add({name:"Ali"})
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is a valid data type in MongoDB?
String
Integer
Boolean
All of the above
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
MongoDB stores data in which format?
XML
BSON
CSV
YAML
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is the correct command to delete a collection?
drop collection students
db.students.remove()
db.students.delete()
db.students.drop()
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