M101J MONGODB FOR JAVA DEVELOPERS HOMEWORK ANSWERS WEEK 2

Note that not all students in the same class have the same exact number of assessments. Choose the answer below. Check all that apply. We will take these are the prefered cities to live in chosen by this instructor, given is special affection to this set of characters! Once you’ve generated your aggregation query and found your answer, select it from the choices below. Which of the choices below is the title of a movie from the year that is rated PG and won no awards?

To help you verify your work before submitting, the author with the fewest comments is Mariela Sherer and she commented times. Who’s the easiest grader on campus? A city might have multiple zip codes. For this problem, we have used a subset of the data you previously used in zips. Choose the answer below. If you notice that while importing, there are a few duplicates fear not, this is expected and will not affect your answer. You should see three files at the highest level:

Please use the Aggregation pipeline to solve this problem. For this problem, assume that a city name that appears in more than hlmework state represents two separate cities. Who’s the easiest grader on campus? This involves calculating an average for each student in each class of all non-quiz assessments and then averaging those numbers to get a class average.

m101j mongodb for java developers homework answers week 2

Friday, 8 September Week 5: Import it into your mongod using the following command from the command line:. You must figure out the GPA that each student has achieved in a class and then average those numbers to get a class average. We will be using a data set similar to ones we’ve used before. Start by downloading the handout zip file for this problem. There is a dump of the video database included in the handouts for the “Creating Documents” lesson.

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The answer for CT and NJ using this data set is You will be using the zip code collection data set, which you will find in the ‘handouts’ link in this page.

m101j mongodb for java developers homework answers week 2

A city might have multiple zip codes. You will need to probably change your projection to send more info through than just that homewkrk character.

Now use the aggregation framework to calculate the author with the greatest number of comments. There is also a views directory which contains the templates for the project.

MongodbChamps: MJ: MongoDB for Java Developers – Homework

In this assignment you will use the aggregation framework to find the most frequent author of comments developerw your blog. Sunday, January 22, [Solution] Week 2: To be clear, each student’s average includes only exams and homework grades.

After that, you just need to sort. Find all exam scores greater than or equal to 65, and sort those scores from lowest to highest.

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M101J Mongodb For Java Developers Homework Answers Week 2

The correct result will be: Different states might have the same city name. In this problem, you will be using a collection of student scores that is similar to what we used in the lessons.

MongoDB for Developers Homework 2. Check all that apply. To help you verify your work before submitting, the author with the fewest comments is Mariela Sherer and she commented times. Please choose your answer below for the most prolific comment author:. Using the aggregation framework, calculate the sum total of people who are living in a zip code answere the city starts with one of those possible first characters. Choose the answer below. Please round the answer to a whole number.

m101j mongodb for java developers homework answers week 2

If everything is working properly, you should be able to start the blog by typing: Download the handout and mongoimport. We will take these are the prefered ddvelopers to live in chosen by this instructor, given is special affection to this set of characters!

You need to group twice to solve this problem.

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