HOMEWORK 5.1 MONGODB

We will take that to mean they don’t really live in a city. 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:. To be clear, each student’s average includes only exams and homework grades. Also, you will need a filtering step to get rid of all documents where the city does not start with a digital Once you’ve generated your aggregation query and found your answer, select it from the choices below.

Once again, you will be using the zip code collection, which you will find in the ‘handouts’ link in this page. Monday, February 13, [Solution] Week 5: We will take that to mean they don’t really live in a city. You need to group twice to solve this problem. Using the aggregation framework, calculate the sum total of people who are living in a zip code where the city starts with a digit. Then import into your blog database as follows:. In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog

Start by downloading the handout zip file for this problem.

homework 5.1 mongodb

For example, to extract the first character from the city field, you could write this pipeline:. Using the aggregation framework, calculate the sum total of people who are living in a zip code where the city starts with a digit. In this problem you will calculate the number of people jongodb live in a zip code in the US where the city starts with one of the following characthers:.

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A city might have multiple zip codes. Your task is to calculate the class with the best average student performance. Choose the answer below. Don’t include their quiz scores in the calculation.

Different states might have the same city name. Anonymous July 3, at 9: Those students achieved a class average of Import it into your mongod using the following command from the command line:. 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. Removing Rural Residents 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. The documents look like this: Once you’ve generated your aggregation query and found your answer, select it from the choices below. For this set, there are only documents and zip codesand all of them are in New York, Connecticut, New Jersey, and California.

Finding the most frequent author of comments on your blog In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog.

We will be using a data set similar to ones we’ve used before.

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Once you’ve generated your aggregation query and found your answer, select it from the choices below. The answer for CT and NJ using this data set is Some students have three homework assignments, etc. Start by downloading the handout zip file for this problem.

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homework 5.1 mongodb

Once you’ve generated your aggregation query and found your answer, select it from the choices below. Then import into your blog database as follows:. Those students achieved a class average of Import it into your mongod using the following command from the command line: You need to group twice to solve this problem.

Now use the aggregation framework to calculate the author with the greatest number of comments.

homework 5.1 mongodb

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:. Some students have three homework assignments, etc. Please choose your answer below for the most prolific comment author:. We will be using a data set similar to ones we’ve used before.

To be clear, each student’s average includes only exams and homework grades.

Once you’ve generated your aggregation query and found your answer, select it from the choices below. Check all that apply.