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. Welcome to mongodb and more. You will need to probably change your projection to send more info through than just that first character. Don’t include their quiz scores in the calculation. Some students have three homework assignments, etc. To help you verify your work before submitting, the author with the fewest comments is Mariela Sherer and she commented times.

Now use the aggregation framework to calculate the author with the greatest number of comments. For this problem, assume that a city name that appears in more than one state represents two separate cities. Different states might have the same city name. Friday, 8 September Week 5: Note that not all students in the same class have the same exact number of assessments. Those students achieved a class average of Some students have three homework assignments, etc.

Different states might have the same city name.

Literature review and pretend to insert the resulting document. Literature review and legends homework, these are using these systems replace homework 3.

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

Friday, 8 September Week 5: 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, In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog The answer for CT and NJ using this data set is After that, you just need to sort.

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. Choose the answer below. For this set, there are only documents and zip codesand all of them are in New York, Connecticut, New Jersey, and California.

## Mongodb homework 3.2 answer

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

The documents look like this: For this problem, we have used a subset of the data you previously used in zips.

For this set, there are only documents and zip codesand all of them are in New York, Connecticut, New Jersey, and California. Please choose your answer below for the most prolific comment author:. M mongodb for node.

Please mongpdb your answer below for the most prolific comment author:. Check all that apply. You will be using the zip code collection data set, which you will find in the ‘handouts’ link in this page. You need to group twice to solve this problem.

# MongodbChamps: M MongoDB for DBAs – week 5 answer

Import it into your mongod using the following command from the command line:. Swachh bharat mongodb homework: Download the handout and mongoimport. For this problem, assume that a city name that appears in more than one state represents two separate cities.

Note that not all students in the same class have the same exact number of assessments. We will take these are the prefered cities to live in chosen by this instructor, given is special affection to this set of characters! To help you verify your work before submitting, the author with the fewest comments is Mariela Sherer and she commented times.

In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog Friday, 8 September Week 5: Some students have three homework assignments, etc. Choose the answer below. Content is based on mongodb 3.

Your task is to calculate the class with the monodb average student performance. 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.

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