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Performing MongoDB CRUD Operations

MongoDB 201: Querying MongoDB Data Performing MongoDB CRUD Operations

One of the most common operations you’ll perform when working with MongoDB is querying document data.

The better you understand how to retrieve data, the more effectively you can access the information you need – when you need it.

Querying data is part of a larger set of operations commonly referred to as CRUD (Create, Read, Update, and Delete).

  • When you insert a document into a MongoDB database, you create the data.
  • When you query a document in the database, you read the data.
  • When you modify a document, you update the data
  • When you remove a document, you delete the data.

Each exercise in this section is tied to a specific CRUD operation. This will allow you to see first-hand how querying documents fits into the larger data-manipulation picture.

As part of the exercises, you’ll create a database named sales and then add the customers collection to the database, importing the data from a .json file. You’ll then carry out all four MongoDB CRUD operations against the collection, using features built into Studio 3T.

Performing MongoDB CRUD operations on the Collection Tab

Studio 3T provides a variety of tools for carrying out CRUD operations against MongoDB document data.

One of the most powerful is the Collection Tab, which includes numerous features for creating, reading, updating, and deleting data. 

As soon as you open the Collection Tab, you have immediate access to the collection’s documents. You can view them in Tree View, Table View, or JSON View, and you can use the query form at the top of the Collection Tab to quickly retrieve specific documents.

You can also add, modify, and delete documents almost just as easily.

The Collection Tab

The Collection Tab is divided into two main sections.

  • The top section contains the query form and provides access to Visual Query Builder, a robust point-and-click tool for building MongoDB queries. 
  • The bottom section is divided into three tabs: Result, Query Code, and Explain. You view document data on the Result tab, choosing from the multiple views.

For example, the following figure shows the customers collection tab, with the data displayed in Tree View. This is the collection you’ll be using for the exercises in this course.

collecyion database customer

You can carry out all CRUD operations within the Result tab.

If you want to change an individual value, you only need to double-click the value in the data grid and update it in-place.

If you want to make more updates, you can click the Edit Document button on the toolbar and update the JSON definition directly.

As you work through the exercises in this section, you’ll get a better sense of the many options available on the Collection Tab for performing CRUD operations. Just know that Studio 3T also provides other options for carrying out these operations, especially when it comes to querying data.

Updating and deleting data directly in a MongoDB database are irreversible operations. You should proceed cautiously whenever carrying out either type of operation. When learning how to perform CRUD operations, be sure you’re working in a test environment and not a production environment.

By the end of this section, you will learn how to:

  • Add a document to a collection
  • View a document in a collection
  • Update a document in a collection
  • Delete a document in a collection

What you will need:

  • Access to a MongoDB Atlas cluster
  • The ability to download a .json file from the Internet
Lesson Content
0% Complete 0/4 Steps
Lesson 1, Exercise 1: Adding a document to a collection
Lesson 1, Exercise 2: Viewing a document in a collection
Lesson 1, Exercise 3: Updating a document in a collection
Lesson 1, Exercise 4: Deleting a document from a collection
Test your skills: Performing CRUD Operations
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  • Course Home Expand All
    Performing MongoDB CRUD Operations
    4 Topics | 1 Quiz
    Lesson 1, Exercise 1: Adding a document to a collection
    Lesson 1, Exercise 2: Viewing a document in a collection
    Lesson 1, Exercise 3: Updating a document in a collection
    Lesson 1, Exercise 4: Deleting a document from a collection
    Test your skills: Performing CRUD Operations
    Building MongoDB find() Queries
    4 Topics | 1 Quiz
    Lesson 2: The MongoDB find method
    Lesson 2, Exercise 1: Using IntelliShell to build and run find statements
    Lesson 2, Exercise 2: Using Visual Query Builder to build and run find statements
    Lesson 2, Exercise 3: Using Query Code and IntelliShell to modify and run a find statement
    Test your skills: Building MongoDB find() Queries
    Working with the MongoDB Aggregation Pipeline
    6 Topics | 1 Quiz
    Lesson 3: Introducing the MongoDB aggregate method
    Lesson 3, Exercise 1: Filtering the documents in the aggregation pipeline
    Lesson 3, Exercise 2: Grouping the documents in the aggregation pipeline
    Lesson 3, Exercise 3: Adding and removing fields in the aggregation pipeline
    Lesson 3, Exercise 4: Changing the field order in the aggregation pipeline
    Lesson 3, Exercise 5: Sorting the documents in the aggregation pipeline
    Test your skills: Working with the MongoDB Aggregation Pipeline
    Querying Arrays Using MongoDB $elemMatch
    4 Topics | 1 Quiz
    Lesson 4, Exercise 1: Using IntelliShell to query single and multiple values in an array
    Lesson 4, Exercise 2: Using Visual Query Builder to query a single array value
    Lesson 4, Exercise 3: Using Visual Query Builder to query multiple array values
    Test your skills: Querying Arrays Using MongoDB $elemMatch
    MongoDB 201 Mid-Course Feedback
    Querying Embedded Documents in MongoDB Arrays
    3 Topics | 1 Quiz
    Lesson 5, Exercise 1: Using the $elemMatch operator to query embedded documents
    Lesson 5, Exercise 2: Using conditional operators to query embedded documents
    Lesson 5, Exercise 3: Using Visual Query Builder to query embedded documents
    Test your skills: Querying Embedded Documents in Arrays
    Querying MongoDB with SQL SELECT Statements
    2 Topics | 1 Quiz
    Lesson 6, Exercise 1: Using the SQL Query tool to run SQL statements
    Lesson 6, Exercise 2: Using the SQL Query tool to aggregate collection data
    Test your skills: Querying MongoDB with SQL
    Working with MongoDB Views
    3 Topics | 1 Quiz
    Lesson 7, Exercise 1: Creating a MongoDB view
    Lesson 7, Exercise 2: Querying a MongoDB view
    Lesson 7, Exercise 3: Modifying and deleting a MongoDB view
    Test your skills: Working with MongoDB Views
    Course Extras
    Return to MongoDB 201: Querying MongoDB Data
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