Now connect to a mongo shell and make sure it comes up mongo —port Now you will create the replica set. Sarath April 30, at 6: Posted by Unknown at 6: 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. Share your experience with other students.
The oplog utilizes a capped collection. Changed in version 2. Newer Post Older Post Home. Type the validation code below. Ankit Raina May 7, at 3: You can type rs.
This pushed me into the forums where I was actually able to answer questions and help other students. Prior to MongoDB 3.
Aggregation Framework Week 6: MongoDB can not enforce unique indexes on a sharded collection other than the universiyy key itself, or indexes prefixed by the shard key.
Check all that apply.
On unix, this could be done as follows: Type the validation code below. Your task is to calculate the class with the best average student performance. Ankit Raina May 7, at 3: That felt really nice.
MongoDB university mp chapter 6 homework – bigmongodb
Was this review helpful to you? Now start three mongo instances as follows. You can type rs. Introduction and Overview Week 2: Build and share your own catalog of courses with Class Central’s custom lists.
MongoDB university m101p chapter 6 homework
Home Subjects Programming Databases. Share your experience with other students.
Type the validation code below. Start now for free! Class Central is learner-supported. Which of the following statements are true about replication in MongoDB?
The browser is probably wrapping them visually. Check all that apply. Note that are three commands. The output of sh. Which of the following statements are true about choosing and using a shard key?
M101JS: MongoDB for Node.js Developers
Omit -p from mkdir. There must be a index on the collection that starts with the shard key. It has been tested under Pymongo 2.
Now you will create the replica set. Sign up for free. Create three directories for the three mongod processes. Newer Post Older Post Home. The guys at Mongo University do a great job explaining the basics and not so basics of MongoDB, how it compares to relational data bases among other things to a point where I could feel comfortable starting a project on my own using Mongo and being proficient with it.