Insert Operations

Last Updated :
Discuss
Comments

Question 1

What is the purpose of insert operations in MongoDB?

  • Delete documents

  • Update documents

  • Add documents

  • Retrieve documents

Question 2

Which method is used to insert a single document?

  • insertMany()

  • insertOne()

  • addOne()

  • createOne()

Question 3

Which method is used to insert multiple documents?

  • insertAll()

  • insertBulk()

  • insertMany()

  • insertMultiple()

Question 4

What does insertMany() return?

  • Boolean value

  • Number of documents

  • Inserted document IDs

  • Cursor

Question 5

What happens if you use insertOne() without specifying _id?

  • Error occurs

  • Document is rejected

  • MongoDB automatically generates _id

  • Document is ignored

Question 6

Which method was used earlier but is now deprecated in MongoDB?

  • insert()

  • insertOne()

  • insertMany()

  • add()

Question 7

What type of data does insertMany() accept?

  • Single object

  • Array of documents

  • String

  • Number

Question 8

Can insertOne() insert multiple documents?

  • Yes

  • No

  • Sometimes

  • Only in bulk mode

Question 9

What happens if one document fails in insertMany() (ordered=true)?

  • All documents are inserted

  • Operation stops at failure

  • It retries automatically

  • It ignores errors

Question 10

Which option improves performance for bulk inserts?

  • insertOne()

  • insertMany()

  • find()

  • updateOne()

There are 10 questions to complete.

Take a part in the ongoing discussion