Home Mongo DB Solution

Mongo DB Solution

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

mongodb course answers

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 an array...

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" in a database called "enron". Note...

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 'routes' directory...
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 weather...

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 you should download from the Download...

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 output of sh.status() when connected to...

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 collection other than the shard key...

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 at least 3 nodes before you...

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 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 of people who live in a zip code in the...
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 this:{ "_id"...

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 New York (NY) (taken together) with...

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 to find the most frequent author of comments on your...

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 mongoimport -d blog -c posts <...

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( { brand : 1 } )  I have submitted those...

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" : "Fairweather", "has_car" : true, "student_id" : "2348023902", "current_classes" : }Now suppose that...

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 comments and the like counts showing...

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.Please add the email address "mrpotatohead@mongodb.com" to the...

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 out pairs of people that tend...

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 blog so that it accepts comments. Download and unpack the...

Popular Posts

Latest Posts