M102 HOMEWORK 2.1

The questions were all quite straightforward and covered in the online course material. How many products have a voice limit? That is, have a voice field present in the limits subdocument. Once done with that, run homework. I installed the latest version of MongodDB version 3.

This will run in an infinite loop printing some output as it runs various statements against the server. Start a mongod server instance if you still have a replica set, that would work too. MongoDB is “multi-master” — you can write anywhere, anytime. The questions were all quite straightforward and covered in the online course material. What result does this expression give when evaluated?

M102 WEEK 3

Once you have eliminated the slow operation, run on your second tab: In this problem, ‘s oplog was effectively a m02 and to preserve write ordering a rollback was necessary during ‘s recovery phase. This method will simply verify that this simple cluster is up and running and return a result key.

Next, go into the pcat database.

m102 homework 2.1

This will simply confirm all the above happened ok. This comes from how you start the Windows command line interface, cmd. How many documents do you have? In a mongo shell run homework. Homeworj by SiteAdmin at Once you have it right and are ready to move on, ctrl-c terminate the shell that is still running the homework. Then when you start your MongoDB processes they will function correctly.

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MongoDB has a data type for binary data. My first introduction to MongoDB was to sign up to university. Find the slow operation and terminate it. Homeaork, I didn’t have any problems related to the version.

.21 Now, what query would you run to get all the products where brand equals the string “ACME”? Once you have eliminated the slow operation, run on your second tab:. Reconfigure the replica set so that the third member can never be primary. Leave a Reply Cancel reply Your email address will not be published.

m102 homework 2.1

This will run in an infinite loop printing some output as it runs various statements against the server.

Once you have eliminated the slow operation, run on your second tab: Keep the other shell with homework. Newer Post Older Post Home. Instead of running it normally, you need to right-click and Run As Administrator. MongoDB is “multi-master” — you can write anywhere, anytime.

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Check all that apply. It was only an issue when running with multiple processes that need to communicate, such as in the topics covering Replica Sets and Sharding. You only have two data centers available.

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Once you have two secondary servers, hmework of which have sync’d with the primary and are caught up, run on your primary: It contains 3 documents. Start a mongod server instance if you still have a replica set, that would work too.

To find answer of second question, it is necessary to find number of documents scanned by above query. Run the same query, but this time do an explain.

None of the above. Check all that apply:.