HOMEWORK HOMEWORK 2.2 MONGODB

Your assignment for this part of the homework is to install the mongodb driver for Node. There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag. For those who are using MongoHQ, MongoLab or want to run the webserver on a different host or port, there are some options to the validation script that can be exposed by running. What is the latency of the longest running operation to the collection, in milliseconds? In this homework assignment you will be adding some indexes to the post collection to make the blog fast. First, let’s confirm your data is intact; the number of documents should be

You should see three files at the highest level: The blog has been enhanced so that it can also display the top 10 most recent posts by tag. Write a program in the language of your choice that will remove the lowest homework score for each student. This assignment requires Mongo 2. Workspace info , updated a year ago mongodb-courses-mjs. After you run the blog, you should see the message:.

Then install all the dependencies listed in the ‘package. The dataset contains 4 scores each for students.

MongoDB university m101p chapter 2 homework

You should not need to touch any other code. Note that this project requires the following python modules be installed on your computer: Your assignment for this part of the homework is to install the mongodb driver for Node.

We have removed two pymongo statements from userDAO. To confirm you are on the right track, here are some queries to run after you process the data with the correct answer shown:.

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This homework is meant to give you practice using the “package. Let us count the number of grades we have: Use mongorestore to restore the dump into your running mongod.

Note you will need to have your path setup correctly to find mongorestore.

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

The result should be Isolate those queries and use explain to explore. Calling ‘npm install’ with no specific package tells npm to look for homewirk.

First, let’s confirm your data is intact; the number of documents should be To confirm you are on the right track, here are some queries to run after you process the data and put it into the grades collection: You should see three files at the highest level: What is the latency of the longest running operation to the collection, in milliseconds? Note that this is only an example and not the actual document that you would be updating.

Any other missing packages will show up when validate.

From the top of this page, there was one additional program that should have been downloaded: Do not include the surrounding quotes in providing your answer. But you can, for fun. To figure out what queries you need to optimize, you can read the code in posts.

homework homework 2.2 mongodb

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.

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Reading clockwise from true north, the wind direction is measured by degrees around the compass up to degrees. To verify that you have completed this homewoek correctly, provide the identity of the student with the highest average in the class with following query that uses the aggregation framework.

Hello from MongoDB!

When you login or sign-up, the blog will redirect to http: To get started, please download hw If you have the mongodb driver installed correctly, this will print out the message ‘Answer: You will need to download homewirk 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.

Then install the mongodb driver: There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag. If you select homework grade-documents, sort by student and then by score, you can iterate through and find the lowest score for each student by noticing a change in student id.

homework homework 2.2 mongodb

If you got it right, it will provide a validation code for you to enter into the box below. Find all exam scores greater than or equal to 65, and sort those scores from lowest to highest.

homework homework 2.2 mongodb