You will be using the zip code collection data set, which you will find in the ‘handouts’ link in this page. Once you’ve generated your aggregation query and found your answer, select it from the choices below. This article describes the basics of working with MongoDB using C.. Choose the answer below. Sviatoslav Sviridov; 47 videos; 1, views; Last updated on Sep 19, m 5 agg pipeline. A city might have multiple zip codes.
Once you’ve generated your aggregation query and found your answer, select it from the choices below. MongoDB supports compound indexes, where a single index structure holds references to multiple fields within a collections documents. The final homework 2. This is why there are only documents and zip codes , and all of them are in New York, Connecticut, New Jersey, and California. You need to group twice to solve this problem.
Please choose your answer below for the most prolific comment author:.
[Solution] Week 5 :Aggregation Framework : MP: MongoDB for Developers
Mp week 5 homework answers. The answer for CT and NJ using this data set is In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog One should spend 1 hour daily for months to learn and assimilate MongoDB.
Start by downloading the handout zip file for this problem.
There is also an issue with some versions of MongoDB 3. You need to group twice to solve this problem.
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 answer will appear in the id field of the resulting document.
The documents look like this: Maxwell Dantas November 16, at 4: Choose the answer below. Who’s the easiest grader on campus? MongoDB supports compound indexes, where a single index structure holds references to multiple fields within a collections documents.
Study IQ World: Week 5 : AGGREGATION FRAMEWORK : MP: MongoDB for Developers
For example, to extract the first digit from the city field, you could write this query:. Help Center Detailed answers to any questions you might have.
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, We will take that to mean homeowrk don’t really live in a city.
You will need to probably change your projection to send more info through than just that first character. Aggregation requires mongodb 2. For example, to extract the first character from the city field, you could write this pipeline:. Your task is to calculate the class with the best average student performance.
Please round the answer to a whole number. Anonymous July 3, at 9: For this problem, assume that a city name that appears in more than one state represents two separate cities. Choose the answer below.
MongoDB university m101p chapter 5 homework
Please choose your answer below for the most prolific comment author:. Posted by Unknown at Don’t include their quiz scores in the calculation. Monday, February 13, [Solution] Week 5: If you notice that while importing, there are a few duplicates fear not, this is expected and will not affect your answer. Prefered Cities to Live!
A city might have multiple zip codes. A hearty part of the course, about 5 hours study and 45 min.
Download the handout and mongoimport.