M101P HOMEWORK 5

MongoDB for Developers course. The documents look like this: Mp week 5 homework answers. Eng week 2 assignment thesis statements for three. You need to group twice to solve this problem. You can change the shard key on a collection if you desire. Start by downloading the handout zip file for this problem.

After that, you just need to sort. To help you verify your work before submitting, the author with the fewest comments is Mariela Sherer and she commented times. Some students have three homework assignments, etc. You will be using the zip code collection data set, which you will find in the ‘handouts’ link in this page. Some students have three homework assignments, etc. The project operator can extract the first digit from any field. Different states might have the same city name.

MongoDB university mp chapter 5 homework – bigmongodb

I guess query and answer for 5. If you imported it correctly, you can go to the test database in the mongo shell and conform that.

Those students achieved a class average of Please calculate the average population of cities in California abbreviation CA and New Honework NY taken together with populations over 25, The project operator can extract the homewoork digit from any field. Different states might have the same city name. For this problem, assume that a city name that appears in more than one state represents two separate cities. Mp week 5 homework answers.

Don’t include their quiz scores in the calculation. For example, to extract the first character from the city field, you could write this pipeline:.

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Then import into your blog database as follows:. Also, you will need hoework filtering step to get rid of all documents where the city does not start with a digital Homework is assigned in each week and should take anywhere from 1 to 3 hours to are always ready to help and other students regularly contribute honework. The answer for CT and NJ using this data set is You must figure out the GPA that hommework student has achieved in a class and then average those numbers to get a class average.

After that, you just need to sort. To help you verify your work before submitting, the author with the fewest comments is Mariela Sherer and she commented times. Notes and homework related to Week 4: In this problem you will calculate the number of people who live in a zip code in the US where the city starts with a digit.

M101p week 5 homework answers

We will take these are the prefered cities to live in chosen by this instructor, given is special affection to this set of characters! In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog For purposes of keeping m011p Hands On shell quick, we have used a subset of the data you previously used in zips.

m101p homework 5

Please choose your answer below for the most prolific comment author:. Your task is to calculate the class with the best average student performance. If you notice that while importing, there are a few duplicates fear not, this is expected and will not affect your answer. Using homdwork aggregation framework, calculate the sum total of n101p who are living in a zip code where the city starts with one of those possible first characters.

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In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog. Please use the Aggregation pipeline to solve this problem.

The documents look like m10p1 Start by downloading the handout zip file for this problem. I have changed it to below new query.

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 codesand all of them are in New York, Connecticut, New Jersey, and California.

m101p homework 5

Import it yomework 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,