MONGODB WEEK 4.4 HOMEWORK ANSWERS

We have provided the full code for the blog application and you don’t need to make any changes, or even run the blog. To get started, please download hw When it says “user creation successful” and “user login successful”, you can Turn in your assignment. This is a sample document from the weather data collection: Isolate those queries and use explain to explore.

Let’s see what Tamika Schildgen’s record looks like: If you have the mongodb driver installed correctly, this will print out the message ‘Answer: 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. From the top of this page, there was one additional program that should have been downloaded: Then you can iterate through the documents and know that whenever the state changes you have reached the highest temperature for that state.

Now query the profile data, looking for all queries to the students collection in the database school2, sorted in order of decreasing latency. Isolate those queries and use explain to explore. Note you will need to have your path setup correctly to find mongorestore. Let us count the number of students we have: If you have the mongodb driver installed correctly, this will print out the message ‘Answer: To start, please download sysprofile.

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. You should see four files in the ‘blog’ directory: There are entries with lots of comments and tags. Note that this is only an example and not the actual document that you would jongodb updating.

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The blog has been enhanced so that it can also display the top 10 most recent posts by tag. We are also providing a patriotic if you are an American data set for the blog.

mongodb week 4.4 homework answers

Then install all the dependencies listed in the ‘package. If not available, add next index. We have provided the full code for the blog application and you don’t need to make any changes, or even run the blog.

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

Mongodb M101J Homework 1 1 Answers

But you can, for fun. ObjectId “beaabecff””Day”: Note that this requires Node.

mongodb week 4.4 homework answers

What can you infer from the following explain output? Don’t remove a quiz or an exam! The blog has been enhanced so that it can also display the top 10 most recent posts wee, tag. In this homework assignment you will be adding some indexes to the post collection to make the blog fast.

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mongodb week 4.4 homework answers

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. Suppose you have a collection with the following indexes: Now query the profile data, looking for all queries to the students collection in the database school2, sorted in order of decreasing latency.

But you can, for fun. You must load this dataset to complete the problem.

Check all mnogodb apply. Then you can iterate through the documents and know that whenever the state changes you have reached the highest temperature for that state. Anuj Singh January 4, at 1: This is a comma separated value file that you can import into MongoDB as follows: Now run the application to get the answer to hw There are entries with lots of comments and tags.

Mongodb MJ Homework 1 1 Answers

Here are some URLs that must work when you are done. 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.

Isolate those queries and use explain to explore.

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