HOMEWORK 6.1 MONGODB

The oplog utilizes a capped collection. Download the handout and import the grades collection using the following command. Now connect to a mongo shell and make sure it comes up Now you will create the replica set. On unix, this could be done as follows: At this point, the replica set should be coming up.

For companies in our collection founded in and having 5 or more rounds of funding, calculate the average amount raised in each round of funding. Which of the following statements are true about replication in MongoDB? Omit -p from mkdir. Sarath April 30, at 6: Your task is to calculate the class with the best average student performance. Monday, November 21, [Solution] Week 6: Create three directories for the three mongod processes.

Let’s suppose you have a five member replica set and want to assure that writes are committed to the journal and are acknowledged by at least 3 nodes before you proceed forward. Type the validation code below.

[Solution] Week 6 :Aggregation Framework : MP: MongoDB for Developers

Some students have three homework assignments, etc. Posted by Unknown at 6: Nemco February 22, at hkmework Also omit –fork and mongodbb start mongod with Windows compatible paths i.

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Note that are three commands. At this point, the replica set should be coming up. 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. It has been tested under Pymongo 2.

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

What would be the appropriate settings for w and j? Check all that apply. Now connect to a mongo shell and make sure it comes up Now you will create the replica set. The shard key must be unique You can change the shard key on a collection if you desire.

MongoDB university m101p chapter 6 homework

The output of sh. Sunday, March 12, [Solution] Week 6: Which of the following statements are true about replication in MongoDB? The output of sh. You do not need to distinguish between currencies.

Which company meeting these criteria raised the smallest average amount of money per funding round? Prior to MongoDB 3. Which of the following statements are true about choosing and using a shard key?

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homework 6.1 mongodb

The browser is probably wrapping them visually. Don’t include their quiz scores in the calculation.

homework 6.1 mongodb

Type the following commands into the mongo shell: On unix, this could be done as follows: MongoDB replication is synchronous. In this homework you will build a small replica set on your own bomework. Posted by Unknown at The minimum sensible number of voting nodes to a replica set is three. Any update that does not contain the shard key will be sent to all shards.

MongoDB can not enforce unique indexes on a sharded collection other than the shard key itself, or indexes prefixed by the shard key.

To be clear, each student’s average should include only exams and homework grades. Failed with error ‘migration already in progress’, from s0 to s1 databases: You have really selected homewwork suitable topic node.

homework 6.1 mongodb