MongoDB for Developers Homework 2. There is also a views directory which contains the templates for the project. Your task is to calculate the class with the best average student performance. Posted by Unknown at To be clear, each student’s average includes only exams and homework grades.

To be clear, each student’s average includes only exams and homework grades. Sunday, January 22, [Solution] Week 2: Import it into your mongod using the following command from the command line:. Please use the Aggregation pipeline to solve this problem. Use that data set to answer this question. Now it’s your turn to analyze the data set. Download the handout and mongoimport.

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. A city might have multiple zip codes. The answer for CT and NJ using this data set is Posted by Unknown at Import it into your mongod using the following command from the command line:. Crunching the Zipcode dataset Please calculate the average population of cities in California abbreviation CA and New York NY taken together with populations over 25, Which of the choices below is the title of a movie from the year that is rated PG and won no awards?

For this problem, we have used a subset of the data you previously used in zips.

Please round ror answer to a whole number. The documents look like this: Choose the answer below. For this problem, assume that a city name that appears in more than one state represents two separate cities. 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.

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Please use the Aggregation pipeline to solve this problem. Once you’ve generated your aggregation query and found your answer, select it from the choices below.

M101J Mongodb For Java Developers Homework Answers Week 2

Some students have three homework assignments, etc. Use that data set to answer this question. You will need to probably change your projection to send more info through than just that first character. If everything is working properly, you should be able to start the blog by typing: For this set, there are only documents and zip codesand all of them are in New York, Connecticut, New Jersey, and California.

MongodbChamps: MJ: MongoDB for Java Developers – Homework

Find all exam scores greater than m1011j equal to 65, and sort those scores from lowest to highest. First, let’s ohmework your data is intact; the number of documents should be We will take these are the prefered cities to live in chosen by this instructor, given is special affection to this set of characters!

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In this assignment you will use the aggregation framework to find the most frequent author deek comments on your blog Friday, 8 September Week 5: Start by downloading the handout zip file for this problem.

Using the aggregation framework, calculate the sum total of people who are living in a zip code where the city starts with one of those possible first characters. Now it’s your turn to analyze the data set.

Please choose your answer below for the most homewprk comment author:. 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 develpoers numbers to get a class average. You must figure out the GPA that each student has achieved in a class and then average those numbers to get a class average. Different states might have the same city name. In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog.

m101j mongodb for java developers homework answers week 2

Then import into your blog database as follows:.