CRUD 1 - Inserting and Finding Documents

In this unit, we learned how to insert and find documents in a collection with MongoDB. We also built queries with the following comparison operators:

• $gt (Greater Than)

• $lt (Less Than)

• $lte ( Less Than or Equal To)

• $gte (Greater Than or Equal To)

We also used the following logical operators:

• $and

• $or

Finally, we learned how to query elements in an array and how to use the $elemMatch operator.

Resources

Use the following resources to learn more about inserting and finding documents in MongoDB:

Lesson 1 - Inserting Documents

• MongoDB Docs: insertOne()

• MongoDB Docs: insertMany()

Lesson 2 - Finding Documents

• MongoDB Docs: find()

• MongoDB Docs: $in

Lesson 3 - Finding Documents Using Comparison Operators

• MongoDB Docs: Comparison Operators

Lesson 4 - Querying on Array Elements

• MongoDB Docs: $elemMatch

• MongoDB Docs: Querying Arrays

Lesson 5 - Finding Documents Using Logical Operators

• MongoDB Docs: Logical Operators

Associate Certification Course

Did you know that by completing this unit you've finished 30% of the CRUD content necessary for the Associate Developer Certification exam?

If you're interested in continuing, your next step would be:

• Unit 05 - CRUD 2