Sandra Essays

Once you have eliminated the slow operation, run on your second tab: Instead of running it normally, you need to right-click and Run As Administrator. Connect to the mongos with a mongo shell. Add two data bearing members plus one arbiter. It contains 3 documents. Leave a Reply Cancel reply Your email address will not be published. Most MongoDB queries involve javascript execution on the database server s.

My first introduction to MongoDB was to sign up to university. Now, what query would you run to get all the products where brand equals the string “ACME”? October 31, March 10, Sonali. Connect to the mongos with a mongo shell. MongoDB allows you to choose the storage engine separately for each collection on your mongod. Find the slow operation and terminate it.

This will simply confirm all the above happened ok. Your email address will not be published.

Choose the best answer:. For question three, check value for indexName key which gives name of index used. However, I didn’t have any problems related to the version.

homesork

When you are done, run: What result does this expression give when evaluated? Run the same query, but this time do an explain.

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m102 homework 2.1

In a mongo shell run homework. Does the explain output indicate that an index was used? Now, what query would you run to get all the products where brand equals the string “ACME”? Newer Post Older Post Home. MongoDB allows you to choose the hmoework engine separately for each collection on your mongod. Posted by SiteAdmin at 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?

M WEEK 3 – Understand !!! Implement !!! Analyze !!!

When done, run homework. Once you have it right and are ready to move on, ctrl-c terminate the shell that is still running the homework.

Once you have eliminated the slow operation, run on hkmework second tab: Next, download the handout and run: Once you have two secondary servers, both of which have sync’d with the primary and are caught up, run on your primary: One way to assure people vote at most once per posting is to use this form of update: MongoDB has a data type for binary data.

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I installed the latest version of MongodDB version 3. None of the above.

M102 WEEK 3

Find the slow operation and terminate it. Check all that apply. MongoDB is “multi-master” — you can write anywhere, anytime. What is the output?

m102 homework 2.1

Then when you start your MongoDB processes they will function correctly. Check all that apply:.

m102 homework 2.1

Start a mongod server instance if you still have a replica set, that would work too. Connect to the mongos with a mongo shell. Leave a Reply Cancel reply Your email address will not be published. Once you homeworj eliminated the slow operation, run on your second tab: Once done with that, run homework.