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Academy 3T

  • MongoDB 101: Getting Started
  • MongoDB 201: Querying MongoDB Data
  • MongoDB 301: Aggregation

Test your skills: Working with the MongoDB Aggregation Pipeline

MongoDB 201: Querying MongoDB Data Working with the MongoDB Aggregation Pipeline Test your skills: Working with the MongoDB Aggregation Pipeline

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    Next Lesson – Querying Arrays Using MongoDB $elemMatch

  • Well done! Move on to the next lesson or click on View Questions to review the quiz.

    Next Lesson – Querying Arrays Using MongoDB $elemMatch

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  1. Question 1 of 5
    1. Question

    You are using the Aggregation Editor to build a pipeline that aggregates data in the customers collection. You add the first stage and verify that the $match operator is selected. You want to filter out all documents except those with an address.state value of New York.

    Which expression should you add to the editor on the Stage 1 tab?

    Correct
    Incorrect
  2. Question 2 of 5
    2. Question

    You are using the Aggregation Editor to build a pipeline that aggregates data in the customers collection. You add a stage for grouping data based on cities in the state of New York. You want to find the total number of transactions per city.

    Which accumulator operator should you use for calculating the totals?

    Correct
    Incorrect
  3. Question 3 of 5
    3. Question

    You are using the Aggregation Editor to build a pipeline that aggregates data in the customers collection. You add a stage based on the $project operator. You want to suppress the default _id field and add a new field named ny_city. The values for the new field will come from the _id field.

    You also want to include the total field in the results. Which expression should you add to the editor for this stage?

    Correct
    Incorrect
  4. Question 4 of 5
    4. Question

    You are using the Aggregation Editor to build a pipeline that aggregates data in the customers collection. You want to add a stage to change the order of the fields in the pipeline.

    Which aggregate operator should you use?

    Correct
    Incorrect
  5. Question 5 of 5
    5. Question

    You are using the Aggregation Editor to build a pipeline that aggregates data in the customers collection. You want to sort the documents based on the values in the ny_city field, in ascending order.

    You add a stage to the pipeline and select the $sort operator. Which expression should you add to the editor for this stage?

    Correct
    Incorrect
  • 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
    3 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
    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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