MONGODB HOMEWORK 2.2

To start, please download sysprofile. This is a comma separated value file that you can import into MongoDB as follows: After you run the blog, you should see the message:. You can verify that you’ve imported the data correctly by running the following commands in the mongo shell:. ObjectId “beaabecff” , “Day”:

In this problem you will analyze a profile log taken from a mongoDB instance. From the top of this page, there was one additional program that should have been downloaded: The templates comprise the view. Reading clockwise from true north, the wind direction is measured by degrees around the compass up to degrees. In this homework assignment you will be adding some indexes to the post collection to make the blog fast. Please enter the name of the state that meets this requirement. Please provide the value corresponding to the “answer” key without the surrounding quotes from the document returned.

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 homeworkk properly.

Which of the following queries can utilize at least one index to find all matching documents or to sort? Use mongidb data set to answer this question. You should see three files at the highest level: Use the weather dataset that you imported in HW 2.

What is the latency of the longest running operation to the collection, in milliseconds?

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mongodb homework 2.2

After you run the blog, you should see the message:. There is a dump of the video database included in the handouts for the “Creating Documents” lesson. You must load this dataset to complete the problem. In this monhodb assignment you will be adding some indexes to homeqork post collection to make the blog fast. Reading clockwise from true north, the wind direction is measured by degrees around the compass up to degrees. Newer Post Older Post Home.

AngularJS,JQuery,,C#,SQL Server: Homework MongoDB for .Net Development

If you goto http: First, let’s confirm your data is intact; the number of documents should be You should not need to touch any other code. You can verify that you’ve imported the data correctly by running the following commands in the mongo shell:. If you select all the weather documents, you can sort first by mongovb, then by temperature. The blog stores its data in the blog database in two collections, users and sessions.

With it, you can test your code and look at the Feedback section. MongoDB for Developers Homework 2. We are also providing a patriotic if you are an American data set for the blog.

Blog User Sign-up and Login Download the handout and unpack it. Please query the video. Note you will need to have your path setup correctly to find mongorestore.

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mongodb homework 2.2

That will return one monogdb. 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. In this problem you will analyze a profile log taken from a mongoDB instance.

Hello from MongoDB!

Then install the mongodb driver: Find all exam scores greater than or equal to 65, and sort those scores from lowest to highest. 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. This dataset holds the same type of data as last week’s grade collection, but it’s modeled differently. Calling ‘npm install’ with no specific package tells npm to look for ‘package. To do this, first download the hw It should redirect you to the welcome page and say: There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag.

mongodb homework 2.2

This is a comma separated value file that you can import into MongoDB as follows: Workspace infoupdated a year ago mongodb-courses-mjs.