M101J MONGODB FOR JAVA DEVELOPERS HOMEWORK ANSWERS WEEK 2

Choose the answer below. You will need to probably change your projection to send more info through than just that first character. For this set, there are only documents and zip codes , and all of them are in New York, Connecticut, New Jersey, and California. To be clear, each student’s average includes only exams and homework grades. Please round the answer to a whole number. Use that data set to answer this question.

Check all that apply. Also, you will need a filtering step to get rid of all documents where the city does not start with the select set of initial characters. The templates comprise the view. In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog We will take these are the prefered cities to live in chosen by this instructor, given is special affection to this set of characters! Please query the video.

Note that not all students in the same class have the same exact number of assessments. Please round the answer to a whole number. Those students achieved a class average of Newer Post Older Post Home.

[Solution] Week 2 : CRUD: MP: MongoDB for Developers

If you notice that while importing, there are a few duplicates fear not, this is expected and will not affect your answer. There is also a views directory which answerrs the templates for the project.

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Sunday, January 22, developerss Week 2: Please query the video. If everything is working properly, you should be able to start the blog by typing: For this problem, we have used a subset of the data you previously used in zips. First, let’s confirm your data is intact; the number of documents should be To help you verify your work before submitting, the author with the fewest comments is Mariela Sherer and she commented times.

The documents look like this: We will take these are the prefered cities to live in chosen by this instructor, given is special affection answeds this set of characters! Check all that apply.

Download the handout and mongoimport. The templates comprise the view.

M101J Mongodb For Java Developers Homework Answers Week 2

In this problem you will calculate the number of people who live in a zip code in the US where the city starts with one of the following characthers:.

For example, to extract the first character from the city field, you ajswers write this pipeline:. Your task is to calculate the class with the best average student performance.

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, Try for your self.

Also, you will need a filtering step to get rid of all documents where the city does not start with the select set of initial characters. MongoDB for Developers Homework 2. Prefered Cities to Live! Which of the choices below is the title of a movie from the year that is rated PG and won no awards? In this problem, you will be using a collection of student scores that is similar to what we used in the lessons.

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m101j mongodb for java developers homework answers week 2

To be clear, each student’s average includes only exams and homework grades. Fog 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. Once you’ve generated your aggregation query and found your answer, select it from the choices below. Don’t include their quiz scores in the calculation.

m101j mongodb for java developers homework answers week 2

After that, you just need to sort. 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. Start by downloading the handout zip file for this problem.

For this set, mongodg are only documents and zip codesand all of them are in New York, Connecticut, New Jersey, and California.

m101j mongodb for java developers homework answers week 2