M101JS HOMEWORK 3.1

To get started, please download hw Isolate those queries and use explain to explore. What is the latency of the longest running operation to the collection, in milliseconds? It makes connections to both to determine if your program works properly. Your assignment is to figure out the “State” that recorded the lowest “Temperature” when the wind was coming from the west “Wind Direction” between and

You might want to start by inspecting it in the Mongo shell. Express server listening on port If you goto http: Use the weather dataset that you imported in HW 2. Now query the profile data, looking for all queries to the students collection in the database school2, sorted in order of decreasing latency. For companies in our collection founded in and having 5 or more rounds of funding, calculate the average amount raised in each round of funding. We are also providing a patriotic if you are an American data set for the blog. We have removed parts of the code that uses the Node.

m101js homework 3.1

You must load this dataset to complete the homewotk. Some students have three homework assignments, etc. Note that this requires Node. Monday, November 21, [Solution] Week 6: Write that text in the text box below.

Do this by opening a terminal window mac or cmd window windows and navigating to the directory so that the dump directory is directly beneath you. Your assignment for this part of hhomework homework is to install the mongodb driver for Node.

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[Solution] Week 7 :Application Engineering : MJS: MongoDB for Developers

With the new schema, this problem is a lot harder and that is sort of the point. Express server listening on port If you goto http: That will return one document.

We have provided the full code for the blog application and you don’t need to make any changes, or even run the blog. 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. By fast, we mean that indexes should be in place to satisfy these queries such that we only need to scan the number of documents we are going to return.

m101js homework 3.1

It should redirect you to the welcome page m101jw say: Which company meeting these criteria raised the smallest average amount of money per funding round? The blog home page The page that displays blog posts by tag http: Scan that file for XXX to see where to work. When it says “Correct amount of data documents. You have really selected the suitable topic node.

Please provide the value corresponding to the “answer” key homewor, the surrounding quotes from the document returned. There is also a ‘views’ directory which contains the templates for the project and a ‘routes’ directory which contains our express routes.

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We have provided the code that creates users and allows you to login the assignment from last week. One way is to find the lowest homework in code and then update the scores array with the low homework pruned.

m101js homework 3.1

If you have the mongodb driver installed correctly, this will print homewrk the message ‘Answer: Posted by Unknown at Sarath April 30, at But you can, for fun.

To start, please download sysprofile.

Hello from MongoDB!

If you goto http: Let us count the number of students we have: It makes connections to both to determine if your program works properly. Note that this is only an example and not the actual document that you would be updating. Use mongorestore to restore the dump into your running mongod. Use the weather dataset that you imported in HW 2.

Since there is a single document for each student containing an array of scores, you will need to update the scores array and remove homewprk homework.

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