HOMEWORK 4.4 MONGODB

In this problem, you will be using an old weather dataset. 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. After you run the blog, you should see the message:. Let’s see what Tamika Schildgen’s record looks like: We have removed parts of the code that uses the Node. If everything is working properly, you should be able to start the blog by typing:

After you run the blog, you should see the message: Since there is a single document for each student containing an array of scores, you will need to update the scores array and remove the homework. 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. ObjectId “beaabecff” , “Day”: Change directory into hw1 Use mongorestore to restore the dump into your running mongod. Then install all the dependencies listed in the ‘package.

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.

It should redirect you to the welcome page and say: We have provided the full code for the blog application and you don’t need to make any changes, or even run the blog.

Hello from MongoDB!

From the top of this page, there was one additional program that should have been downloaded: 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.

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This homework is meant to give you practice using the “package. This is a comma separated value file that you can import into MongoDB as follows:. 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.

Which of the following queries can utilize at least one index to find all matching documents or to sort? To confirm you are on the right track, here are some queries to run after you process the data with the correct answer shown:. Isolate those queries and use explain to explore.

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There are hyperlinks from the post tags homewori the page that displays the 10 most recent blog entries for that tag.

The blog has been enhanced so that it can also display the top 10 most recent posts by tag.

You can verify that you’ve imported the data correctly by running the following commands in the mongo shell:. Note you will need to have your path setup correctly to find mongorestore. If you have all the dependencies installed correctly, this will print the message ‘Express server started on port ‘. If everything is working properly, you should be able to start the blog by typing: If you select all the weather documents, you can sort first by state, then by temperature.

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With the new schema, this problem is a lot harder and that is sort of the point. Then install all the dependencies listed in the ‘package. The blog stores its data in the blog database in two collections, users and sessions. Write that text in the text box below. 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 Calling ‘npm install’ with no specific package tells npm to look for ‘package.

homework 4.4 mongodb

There is also a ‘views’ directory which contains the templates for homewodk project and a ‘routes’ directory which contains our express routes. After you run the blog, you should see the message: You will see a message below about your number of submissions, but you must submit this assignment using MongoProc. You should see four files in the ‘blog’ directory: To do this, first download the hw Write a program in the language of your choice that will remove the lowest homework score for each student.

They can also choose to to point mongoProc to any 2. You might want to start by inspecting it in the Mongo shell. This assignment requires Mongo 2.

homfwork

homework 4.4 mongodb

In this problem you will analyze a profile log taken from a mongoDB instance. Remember, just remove a homework score.