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  1. Chapter 4 Lab1 question's answer is incorrect

    Here is your question -

    Problem:

    To complete this exercise connect to your Atlas cluster using the in-browser IDE space at the end of this chapter.

    How many documents in the sample_training.zips collection have fewer than 1000 people listed in the pop field?

    Copy/paste the exact numeric value (without double quotes) of the result that you get into the response field.


    I didn't alter anything but still I got wrong answer from the sample_training DB.

    Atlas atlas-3n88ij-shard-0 [primary] sample_training> db.zips.find({ "pop": { "$lt": 1000 }}).count()
    8062

    1 vote

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  2. Study

    Study make man perfect

    1 vote

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  3. M100: MongoDB for SQL Pros

    Hi,

    M100: MongoDB for SQL Pros is a great course. I found it very useful in translating my SQL knowledge over to Mongodb.

    I want to report two grammatically improvements:

    1. Chapter 1: Read/Writes Operation Guarantees quiz - the questions say 'which one' but then below says check all answers that applies. I only checked one answer to begin with but their were multiple correct answers. See screenshot attached.

    2. Chapter 2: Embedding vs Referencing quiz 2: a few grammatical improvements as in the screenshot attached.

    Nothing major, it was great course!

    1 vote

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  4. M201 Lab 2.1: Using Indexes to Sort

    1) Detailed explanation contradicts itself. First bullet states: "When using an index for filtering and sorting the query must include equality conditions on all the prefix keys that precede the sort keys." However, third bullet states: "Yes, while this query fails to use equality on the "address. state" field of the index prefix, it uses the same field for sorting."

    2) Detailed explanation contradicts order requirement as described in lessons. Last bullet states: "The order of the fields in the query predicate does not matter." But lessons say that that order does matter.

    1 vote

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  5. M320

    M320, Chapter 4: Patterns (Part 2), Lecture: Tree Pattern
    Time index 04:33

    The slide changes from A to B (see attached screenshots). Obviously, B is correct, but the use case "Find all nodes that are under Z" is not even discussed. This needs to be fixed.

    1 vote

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  6. Improve M121 instructions in detail on how to connect to mongo shell in different ways

    In M121 course, instructor said to open terminal and connect to cluster but they did not tell how to open mongo shell from command prompt since we are new to mongo db it was painful to search in google and figure out. More details for basic necessary things would be appreciated.

    1 vote

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  7. M220 doesnt work... cant install mflix and there is no solution for it... tried everywhere...

    There needs to be a solution to install mflix properly... I could do it... very disappointed...

    1 vote

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  8. Do not use finger in video lecture but use highlighter

    Many videos in course M103 uses hand/finger to point to a particular line or command. This is very coarse and difficult to follow/locate exact word or line to look at. Instead of using finger/hand, use some kind of highlighter (yellow background or color border) on the intended line or command

    1 vote

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  9. duplicate course taking, needs fixed

    Course list pages and actual courses are, unfortunately, decoupled.

    I learned today that the two pages are not coupled to each other.

    While on the courses listing page, I clicked on M220P course hoping it would take me to my "already completed" course page.

    Instead, it just created another course to go for the next 60 days.

    1 vote

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  10. Remove user data from survey

    You ask for personal data on both the testimonial and the group at the end of each survey. We are not allowed to provide feedback by corporate. Having the name and email link is worrisome. If a person selects no you need to not ask for that data. It violates PII when No is selected.

    1 vote

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  11. Learning path

    I would like to have some kind of learning path in the University. From beginner to advanced where we can have courses listed and our progress clearly viewable.

    It should be easy to see where the path split (mongo for node, mongo for .NET etc) so we can go back to the right point in the path if we first want's to do the node path and then jump back and do the .NET path (if there is a .NET patch... lol)

    1 vote

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  12. Certification

    Any coupons for Certification will help like for AWS we have

    1 vote

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  13. Noise filter for breathing noises

    Please use some kind of noise filter in the university videos to remove those discusting breath and chewing sounds.

    1 vote

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  14. Add an option to open the IDE in a popup window for small screen devices

    Instead of having the in-browser IDE unusable for small screen devices, it would be a good idea to have an option to open it in a separate window, or some other solution.

    2 votes

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  15. Notify Via Text When Paid Exam Fee is Lapsing

    Please notify members via a text when their paid exam is lapsing. My emails went to junk folder and I missed rescheduling and now I think I am gonna lose that 150 dollars.

    1 vote

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  16. please fix the bugs

    I have almost completed a course but when I logged in again, it tells me that I have stopped at chapter 4 (out of 6). This is annoying and demotivating. It has happened multiple times.

    1 vote

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  17. problem

    was working at atlas, but i failed test?

    1 vote

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  18. Update , Improve study content

    Current content on : https://university.mongodb.com/exam/guide has some links not working and sometimes documents on docs.mongodb.com not having content as listed or discussed in videos. (Example sort with ranges and index order)

    Request updating study content ensuring all video links are working with latest content.

    1 vote

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  19. Hi-Resolution, Better Quality Certificates

    Hi, MongoDB University I have noticed that the quality of course completion certificate is very poor. Even it is in "jpeg" format. Please provide it in "pdf" format.

    1 vote

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  20. Enable M310: MongoDB Security (currently retired)

    This was a detailed course, with required information, assignments and labs. And help everyone to understand Security related things.

    1 vote

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