CRUD Operations

Excellent work! You've learned how to:

Learning Objectives

Perform CRUD Operations: Apply MongoDB CRUD methods to manage your data, such as inserting, finding, updating, and deleting documents.

Design Effective Queries: Use comparison operators, logical operators, and other query operators to retrieve data efficiently.

Modify Query Results: Implement sorting, limiting, and projection techniques to shape query output and count documents.

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Resources

Use the following resources to learn more about Atlas Vector Search:

Use the following resources to learn more about CRUD operations in MongoDB:

Perform CRUD Operations
- Inserting Documents
  - MongoDB Docs: insertOne()
  - MongoDB Docs: insertMany()
- Finding Documents
  - MongoDB Docs: find()
  - MongoDB Docs: $in
- Updating Documents
  - MongoDB Docs: Insert or Update in a Single Operation
  - MongoDB Docs: updateMany()
  - MongoDB Docs: Update Operators
  - MongoDB Docs: $set
  - MongoDB Docs: $push
- Delete Documents
  - MongoDB Docs: deleteOne()
  - MongoDB Docs: deleteMany()
Design Effective Queries
- MongoDB Docs: Comparison Query Operators
- MongoDB Docs: Logical Operators
- Querying an Array
  - MongoDB Docs: Querying an Array of Embedded Documents
  - MongoDB Docs: $elemMatch
Modify Query Results
- Sorting and Limiting Query Results in MongoDB
  - MongoDB Docs: cursor.sort()
  - MongoDB Docs: cursor.limit()
- Returning Specific Data from a Query in MongoDB
  - MongoDB Docs: Project Fields to Return from Query
  - MongoDB Docs: Project Restrictions
- Counting Documents in a MongoDB Collection
  - MongoDB Docs: db.collection.countDocuments()