The documents look like this: Posted by Unknown at Which of the choices below is the title of a movie from the year that is rated PG and won no awards? Friday, 8 September Week 5: In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog For this set, there are only documents and zip codes , and all of them are in New York, Connecticut, New Jersey, and California.

The correct result will be: If everything is working properly, you should be able to start the blog by typing: Posted by Unknown at You should see three files at the highest level: For this problem, we have used a subset of the data you previously used in zips.

For this problem, assume that a city name that appears in more than one state represents two separate cities. MongoDB for Developers Homework 2.

MJ Mongodb For Java Developers Homework Answers Week 2

Posted by Unknown at Once you’ve generated your aggregation query and found your answer, select it from the choices below. In this problem, you will be using a collection of student scores that is similar to what we used in the lessons.

You must figure out the GPA that each student has achieved in a class and then average those numbers to get a class average. Blog User Sign-up and Login Download the handout and unpack it. 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.

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First, let’s confirm your data is intact; the number of documents should be 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.

Choose the answer below. Those students achieved a class average of Find all exam scores greater than or equal to 65, and sort those scores from lowest to highest. The templates comprise the view.

m101j mongodb for java developers homework answers week 2

Use that data set to answer this question. If everything is working properly, you should be able to start the blog by typing: Import it into your mongod using the following command from the edvelopers line:. Prefered Cities to Live! Newer Post Older Post Home. Start by downloading the handout zip file for this problem.

For example, to extract the first character from the city field, you could write this pipeline:.

After that, you just need to sort. The documents look like this: You will need to probably change your projection to send more info through than just that first character. Please use the Aggregation pipeline to solve this problem. Download the handout and mongoimport. For this problem, we have used a subset of the data you previously used in zips. You should see three files at the highest level: You will be using the zip code collection data set, which you will find in the ‘handouts’ link in this page.

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m101j mongodb for java developers homework answers week 2

Please round the answer to a whole number. 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:.

M101J Mongodb For Java Developers Homework Answers Week 2

At the end I just want to say if you want to learn mongoDB, First practice with youself. Friday, 8 September Week 5: For this set, there are only documents and zip codesand all of them are in New York, Connecticut, New Jersey, and California.

Now it’s your turn to analyze the data set. We will take these are the prefered cities to live in chosen by this instructor, given is ansders affection to this set of characters!