MP
Oct 16, 2017
Good Explanations of Concepts and Nice Tests. I got a trilling experience in completing the peer Assignments with keen observation and Analyzing of Concepts learned.Thanq for your course very much.
VG
Mar 27, 2017
Nice course to describe the traditional data modeling (RDBMS) as well as various semi-structured and un-structured data modeling and management of the systems (Batch and Streaming data processing)
By Enrique G R
•Jun 30, 2016
Very Good
By PALAK G
•Jul 14, 2020
Amazing!
By SURAJ P
•Jun 18, 2020
good one
By RAJAT S
•May 3, 2020
nice one
By Pedro D
•Sep 24, 2016
Muy bien
By Farheen m
•Jan 19, 2022
amazing
By Nikita E
•Jun 9, 2017
Perfect
By Sonali S
•May 27, 2019
Great!
By Anil K
•Apr 24, 2020
Great
By Mayank c
•Apr 10, 2019
G
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a
t
By Lisbeth R
•May 5, 2017
great
By boulealam c
•Dec 3, 2020
good
By Veerabasappa
•Sep 17, 2020
Good
By RAGHUVEER S D
•Jul 25, 2020
good
By Anvitha K
•Jun 15, 2020
Nice
By VISHNU N P
•Jun 1, 2020
good
By Saurabh K
•May 26, 2019
good
By Fhareza A
•Sep 9, 2020
wow
By Drew G
•Aug 4, 2020
The information provided is solid, but this entire specialization has issues with the peer-graded assignments. The assignments themselves are good, open-ended questions designed to test your grasp of the concept being taught. The problem is the grading rubrics and the peer-review aspect. Where the questions are open-ended, the rubric often is not, demanding that only one of the possible answers be reached, or that a conclusion be reached in their specified manner. This leads to submitting the assignment, review other assignments to see what the rubric actually wants you to do, then resubmitting your assignment after you've reverse engineered the "right way" to do it to pass peer-review.
But there's only one or two of those per course, and are a relatively minor annoyance compared the good information being communicated.
By Aleksandar R
•Jul 2, 2017
Not as good as the first course in the big data specialization. The big data modeling part of the course was excellent in my opinion because it contained both theory and practice. However, the management systems were not covered adequately, with only one week in the course allocated to cover those topics. I remember how a few management systems are called and what they're good for, but I wouldn't feel confident to perform any practical tasks with big data management systems after finishing this course.
Still, I'd say it's worth taking the course if you want an overview of the most common big data models and management systems.
By Wayne S
•Apr 6, 2019
This material in this course seems to be based on a belief that the student has significantly more knowledge than assumed for the first course in the Big Data series. Because of this unfounded assumption, without regard to explanation, I have marked it down to four stars vice the five for the first course.
I think by providing the student with an adequate background, or additional resources, this course could easily be ranked as a five-star course.
In short, for no apparent reason, it quickly becomes more difficult than the first course; and instead, I wish it had been more of a natural transition from the first course.
By Bhanu H
•Oct 17, 2019
Course material is very good. Instructors are great and talk clearly and explain well.
My only difficulty is with peer reviewed assignments. There is no answer key. So how one grades depends on what he/she thinks is the right answer. I understand there is no easy solution to this problem for online courses. It is not a show stopper though since you can submit multiple times. But why not just grade using Assistant or by instructor themselves.
By Johannes V
•Dec 10, 2017
All in all the course was very good as the first one. However it is not clear for me what I can do, if I feel myself unfairly graded by my peers at the Peer-Reviews. Furthermore it would be helpful, if the peers had to justify their grading by giving helpful comments to their grades. It is pretty discouraging doing the extra effort, when grading and receiving no constructive feedback at all. Therefore you should be able to challenge grading.
By Nikhil C
•Jul 26, 2020
Overall a good course to get the basics of what the difference is between managing Big Data system, versus your more traditional systems. I really like both instructors.
I took one star off because one of the twitter API assignments that we were supposed to do in the VM didn't work. Plus there's no one to support you in case an issue like this occurs.
By Hugo A A S D
•Apr 25, 2022
I can't give the 5th star because of the hands on exercises that are frozen in time. First, with Windows 10 and 11 we have Hyper-V and the course only provides Oracle VMs that are incompatible with Hyper-V. Than, the exercises are in Python 2, and in 2022 it's dead and most of the things we can't make them work because there isn't support for that.