They can also choose to to point mongoProc to any 2. 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. This is a comma separated value file that you can import into MongoDB as follows:. Note that this requires Node. ObjectId “beaabecff” , “Day”: In this homework assignment you will be adding some indexes to the post collection to make the blog fast. Please enter the name of the state that meets this requirement.

Which of the following queries can utilize at least one index to find all matching documents or to sort? There are hyperlinks from the post tags to the page that displays the 10 most recent blog entries for that tag. ObjectId “beaabecff” , “Day”: Calling ‘npm install’ with no specific package tells npm to look for ‘package. When it says “user creation successful” and “user login successful”, you can Turn in your assignment. 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. To get started, please download hw

You will see a message below about your number of submissions, but you must submit this assignment using MongoProc. The blog home page The page that displays blog posts by tag http: If you goto http: To confirm you are on the right track, here are some queries to run after you process the data with the correct answer mngodb.


Hello from MongoDB!

Don’t remove a quiz or an exam! To figure out what queries you need to optimize, you can read the code in posts.

With it, you can test your code and look at the Feedback section. Note that this requires Node. When it says “Correct amount of data documents.


They can also choose to to point mongoProc to any 2. Please enter the name of the state that meets this requirement.

You might want to start by inspecting it in the Mongo shell. Use the weather dataset that you imported in HW 2. Now query the profile data, looking for all queries to the students collection in the database school2, sorted in order of decreasing latency. Reading clockwise from true homewirk, the wind direction is measured by degrees around the compass up to degrees.

MongodbChamps: M MongoDB for DBAs – Week 1 – Homework

Then install all the dependencies listed in the ‘package. 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 When you login or sign-up, the blog will redirect to http: Note that this is only an example and not the actual document that you would be updating.

If everything is working properly, you should be able to start the blog by typing: If you have the mongodb driver installed correctly, this will print out the message ‘Answer: Workspace infoupdated a year ago mongodb-courses-mjs. This homework is meant to give you practice using the “package.


homework homework 1.2 mongodb

This is a comma separated value file that you can import into MongoDB as follows: With the new schema, this problem is a lot harder and that is sort of the point. Here are some URLs that must work when you are done. To start, please download sysprofile. You should not need to touch any other code.

Then you can iterate through the documents and know that whenever the state changes you have reached the highest temperature for that state. If you select all the weather documents, you can sort first by state, then by temperature. After you run the blog, you should see the message: That will return one document. In this problem, you will be using an old weather dataset. Let us count the number of students we have: You can verify that you’ve imported the data correctly by running the homwork commands in the mongo shell:.

homework homework 1.2 mongodb

Author: admin