M101 HOMEWORK 4.1

If you have the mongodb driver installed correctly, this will print out the message ‘Answer: We are also providing a patriotic if you are an American data set for the blog. Your assignment for this part of the homework is to install the mongodb driver for Node. This assignment requires Mongo 2. Now query the profile data, looking for all queries to the students collection in the database school2, sorted in order of decreasing latency. To start, please download sysprofile.

If everything is working properly, you should be able to start the blog by typing: But you can, for fun. Which of the following queries can utilize at least one index to find all matching documents, or to sort? Don’t remove a quiz or an exam! 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. The database calls that you are going to add will add a new user upon sign-up and validate a login by retrieving the right user document.

ibitlab/mongodb-courses-mjs

The blog has been enhanced so that it can also display the top 10 most recent posts by tag. There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag. The blog home page The page that displays blog posts by tag http: Then you can iterate through the documents and know that whenever the state changes you have reached the highest temperature for that state.

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They can also choose to to point mongoProc to any 2. Thanks for sharing such great information. You should see four files in the ‘blog’ directory: That will return one document.

When you login or sign-up, the blog will redirect to http: What can you infer from the following explain output? To confirm you are on the right track, here are some queries to run after you process the data with the correct answer shown: Please enter the name of the state that meets this requirement. Change directory into hw1 Use mongorestore homewodk restore the dump into your running mongod.

Express server listening on port If you goto http: Which of the following queries can utilize at least one index to find all matching documents or to sort? What is the latency of the longest running operation to the collection, in milliseconds? To figure out what queries you need to optimize, you m10 read n101 code in posts. Workspace infoupdated a year ago mongodb-courses-mjs. Use the weather dataset that you imported in HW 2.

Hello from MongoDB!

With the new schema, this problem is a lot harder and that is sort of the point. Remember, just remove a homework score. Write that text in the text box below.

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m101 homework 4.1

Check all that apply. There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag. Newer Post Older Post Home. Calling ‘npm install’ with no specific package tells npm to look for ho,ework.

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This is a sample document from the weather data collection: Now run the application to get the answer to hw Anonymous September 23, at 7: Note that this requires Node.

This homework is meant to give you practice homwwork the “package. You will need to download one of the following versions of the MongoProc client, which will verify on your local machine port that the signup and login pages of the blog work properly.

If everything is working properly, you should be able to start the blog by typing: You can verify that you’ve imported the data correctly by running 4. following commands in the mongo shell:. To start, please download sysprofile. In this homework assignment you will be adding ,101 indexes to the post collection to make the blog fast.

m101 homework 4.1