MongoDB CRUD Operations: Insert and Find Documents

In this unit, you learned how to insert and find documents in a MongoDB collection. You built queries by using the following comparison operators:

• $gt (greater than)
• $lt (less than)
• $lte (less than or equal to)
• $gte (greater than or equal to)

You also used the following logical operators:

• $and
• $or

Finally, you 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 01: Inserting Documents in a MongoDB Collection

• MongoDB Docs: insertOne()
• MongoDB Docs: insertMany()

Lesson 02: Finding Documents in a MongoDB Collection

• MongoDB Docs: find()
• MongoDB Docs: $in

Lesson 03: Finding Documents by Using Comparison Operators

• MongoDB Docs: Comparison Operators

Lesson 04: Querying on Array Elements in MongoDB

• MongoDB Docs: $elemMatch
• MongoDB Docs: Querying Arrays

Lesson 05: Finding Documents by Using Logical Operators

• MongoDB Docs: Logical Operators

Associate Certification Course

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 is to review the following units:

• Unit 01: Getting Started with MongoDB Atlas
• Unit 02: The MongoDB Document Model
• Unit 03: Connecting to a MongoDB Database
• Unit 05: MongoDB CRUD: Replace and Delete
• Unit 06: MongoDB CRUD: Reading Query Results
• Unit 07: MongoDB Aggregation
• Unit 08: MongoDB Indexes
• Unit 09: MongoDB Atlas Search
• Unit 10: MongoDB Data Modeling
• Unit 11: MongoDB Transactions