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Final: Question 1 Please download the Enron email dataset enron.zip, unzip it and then restore it using mongorestore. It should restore to a collection called...

You should see four files in the 'blog' directory: app.js, users.js, posts.js, and sessions.js. There is also a 'views' directory which contains the templates...

Write a program that finds the document with the highest recorded temperature for each state, and adds a "month_high" field for that document, setting...

Homework: Homework 6.5 In this homework, you will build a small replica set on your own computer. We will check that it works with validate.js,...

Homework: Homework 6.4 You have a sharded system with three shards and have sharded the collections "students" in the "school" database across those shards....

Homework: Homework 6.3 Which of the following statements are true about choosing and using a shard key? MongoDB can not enforce unique indexes on a...

Homework: Homework 6.2 Let's suppose you have a five-member replica set and want to assure that writes are committed to the journal and are acknowledged...

Homework: Homework 6.1 Which of the following statements are true about replication in MongoDB? Check all that apply.

The solution to Homework 5.4 M101JS: MongoDB for Node.js Developers Homework: Homework 5.4 Removing Rural Residents In this problem, you will calculate the number of people who...

The solution to Homework 5.3 (Hands-On) M101JS: MongoDB for Node.js DevelopersWho's the easiest grader on campus?A set of grades are loaded into the grades...

The solution to Homework 5.2 (Hands-On) M101JS: MongoDB for Node.js Developers Crunching the Zipcode datasetPlease calculate the average population of cities in California (abbreviation CA)...

Homework: Homework 5.1 (Hands-On) Finding the most frequent author of comments on your blog In this assignment, you will use the aggregation framework to find the...

HOMEWORK: HOMEWORK 4.3 Solution to HOMEWORK 4.3 M101JS: MongoDB for Node.js Developers NOTE there is a bug (TOOLS-939) affecting some versions of mongoimport and mongorestore that...

The solution to HOMEWORK 4.1 M101JS: MongoDB FOR NODE.JS DEVELOPERS Suppose you have a collection with the following indexes: > db.products.getIndexes() } ).sort( { brand : 1...

Final: Question 6 Suppose you have a collection of students of the following form: { "_id" : ObjectId("50c598f582094fb5f92efb96"), "first_name" : "John", "last_name" : "Doe", "date_of_admission" : ISODate("2010-02-21T05:00:00Z"), "residence_hall" : "Fairweather", "has_car" :...

Final: Question 4 Enhancing the Blog to support viewers liking certain commentsIn this problem, you will be enhancing the blog project to support users liking...

Final: Question 3 In this problem, you will update a document in the Enron dataset to illustrate your mastery of updating documents from the shell. Please...

Final: Question 2 Please use the Enron dataset you imported for the previous problem. For this question, you will use the aggregation framework to...

The solution homework 3.3 M101JS: MongoDB for Node.js Developers Making your blog accept comments In this homework, you will add code to your blog so that...