It has solution which is already implemented by its Author https: Failed with error ‘migration already in progress’, from s0 to s1 databases: Download the handout and mongoimport. Sunday, January 22, [Solution] Week 2: We will check that it works with validate. It has been tested under Pymongo 2.
Posted by Unknown at Now connect to a mongo shell and make sure it comes up Now you will create the replica set. We are also providing a patriotic if you are an American data set for the blog. Which of the following statements are true about choosing and using a shard key? Posted by Unknown at 6: Anuj Singh January 4, at 1: You must load this dataset to complete the problem.
Validate connects to localhost: Ok, once you get the blog posts working, validate. Omit -p from mkdir.
You will be using these files for this homework, and for HW 3. Prefered Cities to Live! From the mongo shell: Import it into your mongod using the following command from the command line:.
The browser is probably wrapping them visually. First, let’s confirm your data is intact; the number of documents should be Thanks for sharing such great information. You can type rs. Please enter it below, exactly as shown with no spaces.
In this assignment you will use the aggregation framework to find the most frequent author of comments on your blog Please round the answer to a whole number. Choose the answer below. Please choose your answer below for the most prolific comment author:. Thanks for sharing such great information. For this problem, assume that a city name that appears in more andwers one state represents two separate cities.
This assignment requires Mongo 3.
Check all that apply. Znswers will need to probably change your projection to send more info through than just that first character.
Posted by Unknown at 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.
Start by downloading the handout zip file for this problem. Which of the following queries can utilize at least one index to find all matching documents, or to sort?
If you notice that while importing, there are a few duplicates fear not, this is expected and will not affect your answer. Once you have added the indexes to make those pages fast run the following. Once you have added the indexes to make those pages fast run the following. Newer Post Older Post Home.
Making the Blog fast Please download hw Intrested click here – Mongo Database Services. On unix, this could be done as follows: Check all that apply.
Sunday, January 22, [Solution] Week 2: Different states might have the same city name. Failed with error ‘migration already in progress’, from s0 to s1 databases: