M101P HOMEWORK 5.3

Hotfix in MongoBooster 3. Those students achieved a class average of If you prefer, you may download the handout and perform your analysis on your machine with. If you notice that while importing, there are a few duplicates fear not, this is expected and will not affect your answer. These were the answers I gave for mongodb m exam and. 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.

Please round the answer to a whole number. Which playerid has the highest. Posted by Unknown at If you notice that while importing, there are a few duplicates fear not, this is expected and will not affect your answer. For this problem, we have used a subset of the data you previously used in zips.

m101p homework 5.3

Start by downloading the handout zip file for this problem. We will take these are the prefered cities to live in chosen by this instructor, given is special affection to this set of characters!

M101p week 5 homework answers

Note that not all students in the same class have the same exact number of assessments. To be clear, each student’s average includes only exams and homework grades. The documents look like this: Now use the aggregation framework to calculate the author with the greatest number of comments. Using the aggregation framework, calculate the sum total of people who are living in a zip code where the city starts with a digit.

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[Solution] Week 5 :Aggregation Framework : MP: MongoDB for Developers

I guess query and answer for 5. Then import into your blog database as follows: Who’s the easiest grader on campus? Homewlrk need to group twice to solve this problem. Please choose your answer below m101o the most prolific comment author: For this set, there are only documents and zip codesand all of them are in New York, Connecticut, New Jersey, and California. Note that not all students in the same class have the same exact number of assessments.

Some students have three homework assignments, etc.

Study IQ World: Week 5 : AGGREGATION FRAMEWORK : MP: MongoDB for Developers

To help you verify your work before submitting, the author with the fewest comments is Mariela Sherer and she commented times. Then import into your blog database as follows:.

We will be using a data set similar to ones we’ve used before. Different states might have the same city name. You must figure out the GPA that each student has achieved in a class and then average those numbers to get a class average. The answer will appear in the id field of the resulting document.

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m101p homework 5.3

Please round the answer to a whole number. Notes and homework related to Week homewofk A set of grades are loaded into the grades collection. Choose the answer below.

For example, to extract the first character from the city field, you could write this pipeline:. A city might have multiple zip codes. The project operator can extract the first digit from any field. This article describes the basics of working with MongoDB using C. Your task is to calculate the class with the best average student performance.

Once again, you will be using the zip code collection, which you will find in the ‘handouts’ link in this page.

For purposes of keeping the Hands On shell quick, we have used a subset of the data you previously used in zips. The project operator can extract the first digit from any field. You need to group twice to solve this problem.

For example, to extract the first digit from the city field, you could write this query:

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