Note that this requires Node. The blog stores its data in the blog database in two collections, users and sessions. Don’t remove a quiz or an exam! Your assignment for this part of the homework is to install the mongodb driver for Node. But you can, for fun. Check all that apply.

There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag. Reading clockwise from true north, the wind direction is measured by degrees around the compass up to degrees. But you can, for fun. ObjectId “beaabecff” , “Day”: Then you can iterate through the documents and know that whenever the state changes you have reached the highest temperature for that state. Once you have added the indexes to make those pages fast, just validate your work with MongoProc. There are entries with lots of comments and tags.

This is a sample document from the weather data collection: The blog has been enhanced so that it can also display the top 10 most recent posts by tag. This homework is meant to give you practice using the “package. To get started, please download hw They can also choose to to point mongoProc to any 2.

MongodbChamps: MJ: MongoDB for Java Developers Homework

There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag. To start, please download sysprofile. After you run the blog, you should see the message: Note that this requires Node.

  ESSAY ON LOST AND FOUND BY ANNE SCHRAFF

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 You should see four files in the ‘blog’ directory: Which of the following queries can utilize at least one index to find all matching documents or to sort?

With it, you can test your code and look at the Feedback section. We have removed parts of the code that uses the Node.

homework 4.4 mongodb

You must load this dataset to complete the problem. Remember, just remove a homework score. If everything is working properly, you should be able to start the blog by typing: If you goto http: The blog homrwork its data in the blog database in two collections, users and sessions.

Hello from MongoDB!

Now run the application to get the answer to hw What is the latency of the longest running operation to the collection, in milliseconds? This is a comma separated value file that ,ongodb can import into MongoDB as follows:.

homework 4.4 mongodb

There are entries with lots of comments and tags. This dataset holds the same type of data as last week’s mohgodb collection, but it’s modeled differently. Check all that apply. Let us count the number of students we have: From the top of this page, there was one additional program that should have been downloaded: But you can, for fun.

  CURRICULUM VITAE NĂ„IDIS

Assuming this document has the highest “Temperature” for the “State” of “Vermont” in our collection, the document should look like this after you run your program:.

To confirm you are on the right track, here are some queries to run after you process the data with the correct answer shown:. This is a comma separated value file uomework 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.

homework 4.4 mongodb

Change directory into hw1 Use mongorestore to restore the dump into your running mongod. The blog home page The page that displays blog posts by tag http: When you login or sign-up, the blog will redirect to http: To figure out what queries you need to optimize, you can read the code in posts.