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Mongo DB Solution, Mongo DB exam solution which directs users to pass the exam and get good score

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The solution Homework 3.1 M101JS: MongoDB for Node.js Developers

Write a program in the language of your choice that will remove the lowest homework score for each student. Since there is a single document for each student containing...

Final: Question 1 M101JS: MongoDB for Node.js Developers

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

The solution Homework 2.3 M101JS: MongoDB for Node.js Developers

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 for the project and a...
mongodb course answers

The solution HW 2.2 M101JS: MongoDB for Node.js Developers

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 its value to true. Use...

The solution to Homework 6.5 M101JS: MongoDB for Node.js Developers

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

The solution to Homework 6.4 M101JS: MongoDB for Node.js Developers

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

The solution to Homework 6.3 M101JS: MongoDB for Node.js Developers

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

The solution to Homework 6.2 M101JS: MongoDB for Node.js Developers

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

The solution to Homework 6.1 M101JS: MongoDB for Node.js Developers

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

The solution to Homework 5.4 M101JS: MongoDB for Node.js Developers

The solution to Homework 5.4 M101JS: MongoDB for Node.js Developers Homework: Homework 5.4Removing Rural ResidentsIn this problem, you will calculate the number...
hw5.3 answer2

The solution to Homework 5.3 (Hands-On) M101JS: MongoDB for Node.js Developers

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 collection. The documents look like...

The solution to Homework 5.2 (Hands-On) M101JS: MongoDB for Node.js Developers

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

The solution to Homework 5.1 (Hands-On) M101JS: MongoDB for Node.js Developers

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

The solution to HOMEWORK 4.3 M101JS: MongoDB for Node.js Developers

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

The solution to HOMEWORK 4.1 M101JS: MongoDB for Node.js Developers

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

Final: Question 6 Solution M101JS: MongoDB for Node.js Developers

Final: Question 6Suppose 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"...

Final: Question 4 Solution M101JS: MongoDB for Node.js Developers

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

Final: Question 3 Solution M101JS: MongoDB for Node.js Developers

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

Final: Question 2 Solution M101JS: MongoDB for Node.js Developers

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

The solution Homework 3.3 M101JS: MongoDB for Node.js Developers

The solution homework 3.3 M101JS: MongoDB for Node.js DevelopersMaking your blog accept commentsIn this homework, you will add code to your...

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