This is raw data from the United States Postal Service. 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. For this set, there are only documents and zip codes , and all of them are in New York, Connecticut, New Jersey, and California. There are entries with lots of comments and tags. Choose the answer below. To help you verify your work before submitting, the author with the fewest comments is Mariela Sherer and she commented times.
Isolate those queries and use explain to explore. Import it into your mongod using the following command from the command line: When you buy through links on our site, we may earn an affiliate commission. Anonymous July 3, at 9: If everything is working properly, you should be able to start the blog by typing:
Please choose your answer below for the most prolific comment author:. Sunday, February 5, [Solution] Week 4: In conclusion, this course seems to be poorly structured and outdated.
First, mlngodb confirm your data is intact; the number of documents should be For this problem, assume that a city name that appears in more than one state represents two separate cities. Which of the choices below is the title of a movie from the year that is rated PG and won no awards? This assignment requires Mongo 3.
What is the latency of the longest running operation to the collection, in milliseconds? Once you have added the indexes to make those pages fast run the following.
We have provided the full code for the blog application and you don’t need to make any changes, or even run the blog.
For this problem, we have used a subset of the data you previously used in zips. In this problem you will analyze a profile log taken from a different mongoDB instance and you will import it into a collection named sysprofile. Class Central is learner-supported.
Sunday, January 22, [Solution] Week 2: If everything is working properly, you should be able to start the blog by typing: Then import into your blog database as follows: Please use the Aggregation pipeline to solve this problem.
Import it into your mongod using the following command from the command line: The blog home page The page that displays blog posts by tag http: The answrs covers a fair amount of depth in how to work with the database, and how to use Python to access it via PyMongo. If you notice that while importing, there are a few duplicates fear not, this is expected and will not affect your answer.
Isolate those queries and use explain to explore. Answsrs answer for CT and NJ using this data set is Which of the following queries can utilize at least one index to find all matching documents, or to sort? Taught by Andrew Erlichson.
[Solution] Week 5 :Aggregation Framework : MP: MongoDB for Developers
You should see three files at the highest level: Prerequisites To take this course, you should have a working knowledge of Python. Now use the aggregation framework to calculate montodb author with the greatest number of comments.
Also, you will need a filtering step to get rid of all documents where the city does not start with a digital Share your experience with other students. The correct ho,ework will be: From the mongo shell: Get personalized course recommendations, track subjects and courses with reminders, and more.
There are entries with lots of comments and tags.
M101P: MongoDB for Developers
Now it’s your turn to analyze the data set. Was this review helpful to you?
A brief Python introduction is included in the course.