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HOMEWORK 2.1 MONGODB

Which arrangement s of servers will allow you to be stay up as in, still able to elect a primary in the event of a failure of either data center but not both at once? Step 3 use students. In this problem, ‘s oplog was effectively a “fork” and to preserve write ordering a rollback was necessary during ‘s recovery phase. There is also a views directory which contains the templates for the project. Instead of running it normally, you need to right-click and Run As Administrator. Once you have eliminated the slow operation, run on your second tab: MP Week 4 Performance.

Notes and homework related to Week 4: If everything is working properly, you should be able to start the blog by typing: MJ mongoDB for Java homework 5. Find all exam scores greater than or equal to 65, and sort those scores from lowest to highest. Let us count the number of grades we have: This will simply confirm all the above happened ok.

If everything is working properly, you should be able to start the blog by typing: Notes and homework related to Week 4: Which of the choices below is the title of a movie from the year that is rated PG and won no awards?

homework 2.1 mongodb

Based on the explain output, which of the following statements below are true? It was only an issue when running with multiple processes that need to communicate, such as in the topics covering Replica Sets and Sharding. The result should be Add two data bearing members plus one mongodh.

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homework 2.1 mongodb

Add another data bearing node. Note that your blog must be running when you run the validator.

Once you have eliminated the slow operation, run on your second tab: If you got it right, it will provide a validation code for you to enter into the box below. Choose the best answer:. Making the Blog fast. Then when you homeworm your MongoDB processes they will function correctly.

MongoDB university mp chapter 2 homework – bigmongodb

If you go to http: Once you have the the project working, the following steps should work: In this homework you will be enhancing the blog homewori to insert entries into the posts 3. Reconfigure the replica set so that the third member can never be primary. Which of the following options will allow you to ensure that a primary is available during server maintenance, and that any writes it receives will replicate during this time?

If not, use the following commands.

Newer Post Older Post Home. Help Center Detailed answers to any questions you might have. In this problem, you mongob be using a collection of student scores that is similar to what we used in the lessons.

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homework 2.1 mongodb

If you select homework grade-documents, sort by student and then mkngodb score, you can iterate through and find the lowest score for each student by noticing a change in student id.

Now it’s your turn to analyze the data set.

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This comes from how you start the Windows command line interface, cmd. Posted by SiteAdmin at Once done with that, run homework. In this homework assignment you will be adding some indexes to the post collection to make the blog fast. There is also a views directory which contains the templates for the project. Which of the following mongidb true about mongodb’s operation in these scenarios?

MongoDB university m101p chapter 2 homework

Once you have it right and are ready to move on, ctrl-c terminate the shell that is still running the homework. Connect to the mongos with a mongo shell.

Note that this project requires the following python modules be installed on your computer: You should not need to touch any other code. Setting up mongodbgen 2. We have removed two pymongo statements from userDAO.