HOMEWORK 4.4 MONGODB

Check all that apply. That will return one document. To do this, first download the hw This is a comma separated value file that you can import into MongoDB as follows:. Now query the profile data, looking for all queries to the students collection in the database school2, sorted in order of decreasing latency. To confirm you are on the right track, here are some queries to run after you process the data with the correct answer shown: Reading clockwise from true north, the wind direction is measured by degrees around the compass up to degrees.

Let us count the number of students we have: We have provided the full code for the blog application and you don’t need to make any changes, or even run the blog. There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag. If you have all the dependencies installed correctly, this will print the message ‘Express server started on port ‘. Let’s see what Tamika Schildgen’s record looks like: Do not include the surrounding quotes in providing your answer. Then you can iterate through the documents and know that whenever the state changes you have reached the highest temperature for that state.

Now run the application to get the answer to hw ObjectId “beaabecff””Day”: To start, please download sysprofile. To get started, please download hw In this problem, you will be using an old weather dataset.

Please enter the name of the state that meets this requirement. Then monbodb all the dependencies listed in the ‘package. This assignment requires Mongo 2.

  MASTERING ASTRONOMY CHAPTER 6 HOMEWORK ANSWERS

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. If you have all the dependencies installed correctly, this will homeaork the message ‘Express server started on port ‘.

ibitlab/mongodb-courses-mjs

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 homeworl load this dataset to complete the problem. That will return one document. Now query the profile data, looking for all queries to the students collection in the database school2, sorted in order of decreasing latency.

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

Hello from MongoDB!

Note you will need to have your path setup correctly to find mongorestore. This dataset holds the same type of data as last week’s grade collection, but it’s modeled differently.

You might want to start by inspecting it in the Mongo shell. With the new schema, this problem is a lot harder and that is sort of the point. Your assignment for this part of the homework is to install the mongodb driver for Node. After you run the blog, you should see the message: Let’s see what Monggodb Schildgen’s record looks like: If you select all the weather documents, you can sort first by state, then by temperature.

  CCEA CREATIVE WRITING CONTROLLED ASSESSMENT

homework 4.4 mongodb

After you run the blog, you should see the message:. 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 figure out what queries you need to optimize, you can read the code in posts.

There are entries with lots of comments and tags. Don’t remove a quiz or an exam!

You mongob see a message below about your number of submissions, but you must submit this assignment using MongoProc. But you can, for fun.

homework 4.4 mongodb

Assuming this document has the highest “Temperature” for the “State” of “Vermont” in our collection, monngodb document should look like this after you run your program:. Use mongorestore to restore the dump into your running mongod.

This is a comma separated value file that you can import into MongoDB as follows:.

homework 4.4 mongodb

Check all that apply. You can verify that you’ve imported the data correctly by running the following commands in the mongo shell:. 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.

Author: admin