MONGODB HOMEWORK 2.2

The blog stores its data in the blog database in two collections, users and sessions. Sunday, January 22, [Solution] Week 2: Write that text in the text box below. 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. If you goto http: After you run the blog, you should see the message:

Isolate those queries and use explain to explore. 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. Change directory into hw1 Use mongorestore to restore the dump into your running mongod. The templates comprise the view. MongoDB for Developers Homework 2.

Hello from MongoDB!

Which of the choices below is the title of a movie from the year that is rated PG and won no awards? You should see three files at the highest level: 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.

mongodb homework 2.2

homewlrk When it says “Correct amount of data documents. To confirm you are on the right track, here are some queries to run after you process the data with the correct answer shown:. To get started, please download hw To confirm you are on the right track, here are some queries to run after you process the data with the correct answer shown: Use the weather dataset that you imported in HW 2.

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Which of the following queries can utilize at least one index to find all matching documents or to sort? When it says “user creation successful” and “user login successful”, you can Turn in your assignment. If you have the mongodb driver installed correctly, this will print out the message ‘Answer: Your assignment for this part of the homework is to install the mongodb driver for Node.

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

What is the latency of the longest running operation to the collection, in milliseconds? Please query the video. You can verify that you’ve imported the data correctly by running the following commands in the mongo shell:.

mongodb homework 2.2

From the top of this page, there was one additional program that kongodb have been downloaded: Then you can iterate through the documents and know that whenever the state changes you have reached the highest temperature for that state. You might want to start by inspecting it in the Mongo shell.

If you have all the dependencies installed correctly, this will print the message ‘Express server started on port ‘. You will see a message below about your number of submissions, but you must submit this assignment using MongoProc. This is a comma separated value file that you can import into MongoDB as follows: With the new schema, this problem is a lot harder and that is sort of the point.

Check all that apply. Write a program in the language of your choice that will remove the lowest homework score for each student.

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After you run the blog, you should see the message:. If everything is working properly, you should be able to start the blog by typing: ObjectId “beaabecff””Day”: Find all exam scores greater than or equal to 65, and sort those scores from lowest to highest.

If everything is working properly, you should be able to start the blog by typing: 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 Since there is a honework document for each student containing an array of scores, you will need to update the scores array and remove the homework. Use that data set to answer this question.

One way is to find the lowest homework in code and then update the scores array with the low homework pruned.

Now query the profile data, looking for all queries to the students collection in the database school2, sorted in order of decreasing latency. Let’s see what Tamika Schildgen’s record looks like: It should redirect you to the welcome page and say: Once you have added the indexes to make those pages fast, just validate your work with MongoProc.

mongodb homework 2.2

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