$gt and $gte for greater than in MongoDB - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to find documents where the age is greater than 25.

MongoDB

db.collection.find({ age: { [1]: 25 } })

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

A$gt

B$lt

C$eq

D$ne

Attempts:

3 left

💡 Hint

Common Mistakes

Using $lt which means 'less than'.

Using $eq which means 'equal to'.

The $gt operator means 'greater than'. So this query finds documents with age > 25.

2fill in blank

medium

Complete the code to find documents where the score is greater than or equal to 80.

MongoDB

db.collection.find({ score: { [1]: 80 } })

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

A$ne

B$lte

C$gte

D$lt

Attempts:

3 left

💡 Hint

Common Mistakes

Using $lt or $lte which mean less than or less than or equal.

Using $ne which means not equal.

The $gte operator means 'greater than or equal to'. This query finds documents with score >= 80.

3fill in blank

hard

Fix the error in the query to find documents where price is greater than 100.

MongoDB

db.collection.find({ price: { [1] 100 } })

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

A$gt:

B$lt:

C$gte:

D$eq:

Attempts:

3 left

💡 Hint

Common Mistakes

Forgetting the colon after the operator.

Using $lt: which means less than.

The operator must be followed by a colon ':' inside the object. $gt: 100 means price > 100.

4fill in blank

hard

Fill both blanks to find documents where quantity is greater than 10 and less than 50.

MongoDB

db.collection.find({ quantity: { [1]: 10, [2]: 50 } })

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

A$gt

B$gte

C$lt

D$lte

Attempts:

3 left

💡 Hint

Common Mistakes

Using $gte instead of $gt for strict greater than.

Using $lte instead of $lt for strict less than.

Use $gt for greater than 10 and $lt for less than 50 to find quantity between 10 and 50.

5fill in blank

hard

Fill all three blanks to find documents where rating is greater than or equal to 4, price is less than 100, and stock is greater than 0.

MongoDB

db.collection.find({ rating: { [1]: 4 }, price: { [2]: 100 }, stock: { [3]: 0 } })

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

A$gt

B$lt

C$gte

D$lte

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up $gt and $gte operators.

Using $lte instead of $lt for price.

Use $gte for rating >= 4, $lt for price < 100, and $gt for stock > 0.