In the course, you will build a blogging platform, backed by MongoDB. 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. Find all exam scores greater than or equal to 65, and sort those scores from lowest to highest. Different states might have the same city name. Making the Blog fast Please download hw Add as “Interested” to get notified of this course’s next session. To be clear, each student’s average includes only exams and homework grades.
Who’s the easiest grader on campus? Anonymous September 23, at 7: What is the latency of the longest running operation to the collection, in milliseconds? To take this course, you should have a working knowledge of Python. Now use the aggregation framework to calculate the author with the greatest number of comments. To start, please download sysprofile. Share your experience with other students.
[Solution] Week 5 :Aggregation Framework : MP: MongoDB for Developers
And there is no proper homswork of these concepts in the course videos which makes you think you also need aswers know about SQL before starting this course to be able to understand what is being discussed during those parts. There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag. Your task is to calculate the class with the best average student performance.
Different states might have the same city name. We will also cover working in sharded and replicated environments.
A city might have multiple zip codes. You should see three homewrk at the highest level: Who’s the easiest grader on campus? There are entries with lots of comments and tags.
[Solution] Week 1 : Introduction : MP: MongoDB for Developers
It has solution which is already implemented by answwrs Author https: Don’t include their quiz scores in the calculation. You need to group twice to solve this problem.
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. Making the Blog fast Please download hw The class covers a fair amount of depth in how to work with the database, and how to use Python to access it via PyMongo.
In this problem, you will be using a collection of student scores that is similar to what we used in the lessons.
Newer Post Older Post Anawers. 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.
After that, you just need to sort.
M101P: MongoDB for Developers
Now use the aggregation framework to calculate the author with the greatest number of comments. Build and share your own catalog of courses with Class Central’s custom lists.
In conclusion, this course seems to be poorly structured and outdated. Sign up for free. The correct result will be: Choose the answer below.
Start by downloading the handout zip file for this problem. Browse More Databases courses. Class Central is learner-supported. Anonymous July 3, at 9: This course have no prerequisites except “working knowledge of Python”.
Which of homeork following queries can utilize at least one index to find all matching documents, or to sort? Become a Data Scientist datacamp. Please use the Aggregation pipeline to solve this problem.
The templates comprise the view. Now query the profile data, looking for all queries to the students collection in the database school2, sorted in order of decreasing latency.
Posted by Unknown at The course still requires Python 2, and the course videos date back to January