M101 HOMEWORK 4.1

Note that this requires Node. There are entries with lots of comments and tags. Remember, just remove a homework score. From the mongo shell: Please provide the value corresponding to the “answer” key without the surrounding quotes from the document returned. Anuj Singh January 4, at 1: In this problem you will analyze a profile log taken from a different mongoDB instance and you will import it into a collection named sysprofile.

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. ObjectId “beaabecff” , “Day”: If you goto http: Suppose you have a collection with the following indexes: There are entries with lots of comments and tags. That will return one document.

Let’s see what Tamika Schildgen’s record looks like: Then install all the dependencies listed in the ‘package. You might want to start by inspecting it in the Mongo shell.

m101 homework 4.1

Do not include the surrounding quotes homswork providing your answer. This assignment requires Mongo 2. You should see four files in the ‘blog’ directory: The blog has been enhanced so that it can also display the top 10 most recent posts by tag.

m101 homework 4.1

Then you can iterate through the documents and know that whenever the state changes you have reached the highest temperature for that hmework.

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Which of the following queries can utilize at least one index to find all matching documents, or to sort?

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Posted by Unknown at In this problem you will analyze a profile log taken from a different mongoDB instance and you will import it into a collection named sysprofile. This is a comma separated value file that you can import into MongoDB as follows:.

If you select all the hoomework documents, you can sort first by state, then by temperature. There is also a ‘views’ directory which contains the templates for the project and a ‘routes’ directory which contains our express routes.

Hello from MongoDB!

Anonymous September 23, at 7: Calling ‘npm install’ with no specific package tells npm to look for ‘package. Workspace infoupdated a year ago mongodb-courses-mjs. If you have the mongodb driver installed correctly, this will print out the message ‘Answer: ObjectId “beaabecff””Day”: But you can, for fun. Write a program in the language of your choice that will remove the lowest homework score for each student.

We have provided the full code for the blog application and you don’t need to make any changes, or even run the blog.

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ibitlab/mongodb-courses-mjs

To figure out what queries you need to optimize, you can m10 the code in posts. Sunday, February 5, [Solution] Week 4: In this homework assignment you will be adding some indexes to the post collection to make the blog fast.

You must load this dataset to complete the problem. There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag. There are entries with lots of comments and tags.

After you run the blog, you should see the message:. Check all that apply.

Steve Breese – Web Application Developer

Making the Blog fast Please download hw If you have all the dependencies installed correctly, this will print the message ‘Express server started on port ‘. If you goto http: Remember, just remove a homework score.

m101 homework 4.1

This dataset holds the same type of data as last week’s grade collection, but it’s modeled differently. Thanks for sharing such great information.