MONGODB HOMEWORK 6.1

As a check on your solution, Facebook had the largest funding round average. On unix, this could be done as follows: Prerequisites To take this course you should be familiar with JavaScript. Newer Post Older Post Home. Check all that apply:. Then when you start your MongoDB processes they will function correctly.

Which of the following statements are true about choosing and using a shard key? Build and share your own catalog of courses with Class Central’s custom lists. Type the validation code below. The output of sh. Don’t include their quiz scores in the calculation.

[Solution] Week 6 : The Aggregation Framework : MJS: MongoDB for Developers

In this homework you will build a small replica set on your own computer. Check all that apply:.

mongodb homework 6.1

The shard key must be unique You can change the shard key on a collection if you desire. Ankit Raina May 7, at 3: Type the following commands into the mongo shell: Once you have two secondary servers, both of which have sync’d with the primary and are caught up, run on your primary: Note that are three commands.

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Some students have three homework assignments, etc. You do not need to distinguish between currencies. Choose the best answer:. It has been tested under Pymongo 2. mongorb

mongodb homework 6.1

Create three directories for the three mongod processes. Nemco February 22, at 8: None of the above. MongoDB can not enforce unique indexes on a sharded collection other than the 61 key itself, or indexes prefixed by the shard key.

Which of the following statements are true about choosing and using a shard key?

MongoDB university m101p chapter 6 homework

The questions were all quite straightforward and covered in the online course material. Your task is to calculate the class with the best average student performance. Create three directories for the three mongod processes. Don’t include their quiz scores in the calculation.

M101JS: MongoDB for Node.js Developers

Which of the following statements are true about choosing and using a shard key? Note that not all students in the same class have the same exact number of assessments. Connect to the mongos with a mongo shell.

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As a check on your solution, Facebook had the largest funding round average. Nemco February 22, at 8: You have a sharded system with three shards and have sharded the collections “students” in the “school” database across those shards.

Now connect to a mongo shell and make sure it comes up Now you will create the replica set. Posted by SiteAdmin at Based on the explain output, which of the following statements below are true?

Some students have three homework assignments, etc. Download the handout and import the grades collection using the following command.

The output of sh. To be clear, each student’s average should include only exams and homework grades. You do not need to distinguish between currencies. As a check on your solution, Facebook had the largest funding round average.

Some students have three homework assignments, etc.

mongodb homework 6.1