M101JS HOMEWORK 6

You can verify that you’ve imported the data correctly by running the following commands in the mongo shell:. The lectures left me with some questions and situations I like to explore in perhaps a future blog: You are commenting using your Facebook account. You are commenting using your Facebook account. 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. Nemco February 22, at 8:

I assumed the lectures would cover the different levels of write concerns on write operations and the read preferences on read operations in replicated environments. You are commenting using your Facebook account. The final lectures of the course are about the way you scale horizontally in MongoDB. Write a program in the language of your choice that will remove the lowest homework score for each student. Sarath April 30, at 6:

Some students have three homework assignments, etc. Tag sets A topic not covered during this course is tag sets. You have really selected the suitable topic node.

Who is the easiest grader on campus? In the previous weeks the focus was less on connecting to the database and directed more at making the code work for the homework assignment. This involves calculating an average for each student in each class of all non-quiz assessments and then averaging those numbers to get a class average.

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m101js homework 6

You have really selected the suitable topic node. Don’t remove a quiz or an exam! To confirm you are on the right track, here are some yomework to run after you process the data with the correct answer shown:. By default reads can only be done against the primary.

Replication The lectures started with explaining what replication is and how it works in MongoDB. You can read part five here. In that scenario secondary nodes will function homewodk fail over.

Considerations when pick the shard key are: Sorry, your blog cannot share posts by email. How to deal with a crash if the failover is still in progress?

Even with the driver handling buffering of requests, do you still need to handle errors of too many open files? In that scenario secondary nodes will function as fail over.

MJS Week 6 – Glimpses of Daniel’s world

Write that text in m101jjs text box below. Picking the shard key The best way to pick a shard key is to figure out the usage pattern of your data. By default reads can only be done against the primary.

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m101js homework 6

Notify me of new comments via email. It had been a while when I saw code to connect with MongoDB. Workspace info homeworkk, updated a year ago mongodb-courses-mjs. After you run the blog, you should see the message: Please enter the name of the state that meets this requirement.

MJS Week 6 – Glimpses of Daniel’s world

With the new schema, this problem is a lot harder and that is sort of the point. But you can, for fun.

m101js homework 6

Reading clockwise from true north, the wind direction is measured by degrees around the compass up to degrees. Sharding The final lectures of the course are about hhomework way you scale horizontally in MongoDB.

Hello from MongoDB!

This week I scanned the homework assignments before I started with the lectures. You must ,101js this dataset to complete the problem. Unique indexes in a sharded environment need to include the shard key.

Now run the application to get the answer to hw You can verify that you’ve imported the data correctly by running the following commands in the mongo shell:.