insertOne method in MongoDB - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to insert a single document into the collection.

MongoDB

db.collection.[1]({ name: "Alice", age: 25 })

Drag options to blanks, or click blank then click option'

AinsertOne

BinsertMany

CfindOne

DupdateOne

Attempts:

3 left

💡 Hint

Common Mistakes

Using insertMany instead of insertOne for a single document.

Using findOne which only reads data.

Using updateOne which modifies existing data.

The insertOne method inserts a single document into the collection.

2fill in blank

medium

Complete the code to insert a document and handle the returned promise.

MongoDB

db.collection.insertOne({ item: "book", qty: 10 }).[1](result => console.log(result.insertedId))

Drag options to blanks, or click blank then click option'

Acatch

Bthen

Cawait

Dfinally

Attempts:

3 left

💡 Hint

Common Mistakes

Using catch instead of then for success handling.

Using await without async function.

Using finally which runs regardless of success or failure.

The then method handles the promise when the insertion succeeds.

3fill in blank

hard

Fix the error in the code to correctly insert a document.

MongoDB

db.collection.insertOne({ name: "Bob", age: 30 [1] )

Drag options to blanks, or click blank then click option'

A}

B]

C)

D;

Attempts:

3 left

💡 Hint

Common Mistakes

Closing the object with a square bracket instead of curly brace.

Missing the closing brace causes syntax errors.

Adding a semicolon inside the method call.

The document object must be closed with a curly brace } before the closing parenthesis.

4fill in blank

hard

Fill both blanks to insert a document and print the inserted ID.

MongoDB

db.collection.[1]({ name: "Eve", active: true }).[2](res => console.log(res.insertedId))

Drag options to blanks, or click blank then click option'

AinsertOne

BinsertMany

Cthen

Dcatch

Attempts:

3 left

💡 Hint

Common Mistakes

Using insertMany for a single document.

Using catch instead of then for success handling.

Use insertOne to add one document and then to handle the success.

5fill in blank

hard

Fill all three blanks to insert a document, handle success, and catch errors.

MongoDB

db.collection.[1]({ username: "john_doe" }).[2](res => console.log(res.insertedId)).[3](err => console.error(err))

Drag options to blanks, or click blank then click option'

AinsertOne

Bthen

Ccatch

DinsertMany

Attempts:

3 left

💡 Hint

Common Mistakes

Using insertMany instead of insertOne.

Mixing up then and catch methods.

Use insertOne to insert, then to handle success, and catch to handle errors.