MongoDB Update

updateOne, updateMany and update operators.

❮ Previous Next ❯

updateOne(filter, update) changes the first match; updateMany changes all matches.
$set sets fields, $unset removes them, $inc adds to numbers.
$push / $pull add or remove array items.
{ upsert: true } inserts the document if none matches.

Key Takeaways: MongoDB Update

Mastering MongoDB Update helps you write clean and reliable MongoDB code. Follow standard conventions, test edge cases, and keep logic simple. Try running the code example below and complete the exercises to build confidence.

MongoDB Update Code Example

MongoDB

db.students.updateOne({ name: "Usman" }, { $set: { city: "Rawalpindi" }, $inc: { marks: 5 } })
db.students.updateMany({}, { $set: { course: "MongoDB Basics" } })

Output

{ acknowledged: true, matchedCount: 1, modifiedCount: 1 }
{ acknowledged: true, matchedCount: 3, modifiedCount: 3 }

Run this example on your own computer. The "Get Started" lesson shows how to set it up.

MongoDB Update Practice Exercises

Check what you learned in “MongoDB Update”.

/ 2 solved

Fill in the blank

Set a field to a new value.

db.students.updateOne({ name: "Ali" }, { : { city: "Multan" } })

✓ Correct! Not quite. Try again.

Multiple choice

Which operator adds a number to a field?

$inc $add $plus $sum

✓ Correct! Not quite. Try again.

to save your exercise progress.

Finished this lesson?

Mark it complete to track your progress.

❮ Previous

MongoDB Projection, Sort & Limit

Next ❯

MongoDB Delete

Stuck on something?

Ask the community in the CodesInTech forum.

Need a developer?

Learning on your own is great — and when you need professional help, our team builds custom software, websites and mobile apps for clients worldwide.

Explore Our Services

MongoDB Update

💡 Key Takeaways: MongoDB Update

MongoDB Update Code Example

MongoDB Update Practice Exercises

Key Takeaways: MongoDB Update