Apr 06, 2020
This course has really helped with optimizing queries that I work with everyday, enhancing my understanding of RDBMS, joins, analyzing and structuring exactly what you need and yielding those results.
Aug 22, 2020
A comprehensive course that covers major aspects of query building and retrieval in a management system. The topics were delivered well and the materials/assignments were relevant for skill-building.
автор: Peilin G•
Feb 02, 2019
As a beginner, the course is easy to understand and follow, and the course teaches a lot of useful commands. However, I think the course still has a lot to imrove. Some codings in the lectures have problems (e.g. lack ','). When introducing new commands, the teacher did not show the running results of the coding example. I also think the course lacks some application in the real world. Maybe providing more real business cases will help students understand better about when some commands will be applied.
автор: Alfred S•
Jun 29, 2020
Some of the quizzes do not make sense and I have to select something that is wrong to pass. It is really hard to follow sometimes and the content of the video mostly does not relate to the content of the tests. I had to google most stuff that came up in the videos, many quotes from w3 school (another provider of programming courses).
I choose to pay for courses on coursera so that I do not have to read through tons of free material online or get quoted content that is for free on other learning platforms. This course taught me some neat things but mostly wasted my time.
автор: Rohan G L•
Jul 23, 2020
I finished the first course in the series, however it quickly became apparent in the second course that the instructors are unprepared and the assignments are thrown together without student learning as a priority.
If you want to learn SQL or Database systems, I highly suggest taking "Modern Big Data Analysis with SQL" from the CLOUDERA team and "Data Warehousing for Business Intelligence" from the U Colorado team.
Both of those course paths are much more informative, structured, and up to date. You are wasting your time if you choose this path.
автор: Casey S•
Sep 18, 2020
The final project assignment is a bit of a mess. Some of the questions are very unclear, and the database provided is incomplete in ways that make it hard to address some of the questions. I also found the lecture format and materials frustrating. I learn much better by reading and by being able to go back and reference materials, but that really isn't possible in this course -- the doesn't contain any of the actual code examples and is often really vague.
автор: Javier G•
Aug 18, 2020
Hola, no es tan bueno que no puedas correr código mientras aprendes con ejemplos.
автор: Шайдуллин А•
Aug 03, 2020
In general, the course is not bad, but there are a number of disadvantages, ranging from minor to serious omissions. I wanted to give the course 3 stars, but the last homework was quite fun and productive (you can put 4.5, according to the rules of mathematics, round to 5, but with a very large advance). The basic skills were acquired during the last assignment.
First, about the benefits of the course:
1+ In the course, you can practice on real data without using other software, it is really useful and productive;
2+ Theoretical aspects are more than enough;
3+ Theoretical tests correspond to the lecture materials.
Now to the disadvantages (there are still more of them), first to the serious ones:
1- There is a lot of so-called "Water", information that is completely unimportant and purely theoretical. Almost the entire first week was devoted to theory ("Why is this subject important? Separation of duties among employees, etc.). I think the course would have done well without these materials. Often, one fourth of the length of each video is an explanation of what we will be studying today. I think , the student wants to quickly learn important material for him.
2- The first 2 weeks of coding looks very good, easy to understand and solve for yourself. But something strange happened on week 3, the tasks became much more complicated, they did not correspond to the lecture materials, where theoretical material was mainly given. Week 4 has already been done normally. Probably, without prompts (sometimes direct), I could not have done these tasks. It was very difficult!
3- The course is rather short (only 4 weeks), little time is devoted to programming, there is not enough practice, maybe it was even worth adding a small invaluable practice after each video.
4- The lecturer tried to convey the idea that the usual repetition of programming steps may be ineffective. Unfortunately, today, nothing is better than "I copy after the lecturer, who explains something in parallel, and then independently practice it on real data." The lecturer's methodology was not the most effective; nevertheless, after completing the course, many questions remain.
- For the convenience of work, you can download the presentation of the lecture, but I think it is convenient for some students to print these lectures and work. Unfortunately, the design and background were chosen in a dark color, which is why the material after printing is inconvenient to read (-a lot of paint is wasted), it is rather difficult to correct it yourself.
- The material chosen for reading by the lecturer is slightly robotic, it is convenient to set at a speed of 1.25 or 1.5.
In any case, I was able to familiarize myself with this programming language, I was able to learn something. I think one day it will suit me. At the moment, I still prefer to work in Python and other programs. I was still able to get a certificate of completion of the course. Thanks for the course and thanks for your attention to this long comment! Hope it helps you get better! Good luck :)
May 25, 2020
It is a very introductory course on SQL. I have never learn any SQL before and I can catch everything she said. People might find it extremely easy, but in learning programming you must make sure all the basics are well known to you before using them in more complex situations.
автор: Ilia S•
Jun 30, 2020
Excellent course in all basics of SQL.
Built-in sandbox is the most important plus of the course.
A lot of practice, a balanced number of lectures.
At the end of a good project that allows you to try out all the methods learned in the course.
автор: MONOJIT P•
Jul 18, 2020
best course for learning SQL for beginners.I learned so much from this course.the speaking language is also simple ..So i Recommended this course for beginners who's 2nd or third language is English.
автор: Michael E•
Aug 23, 2020
This course was good because it teaches you many keywords that are used for practical application in the world of data science. I definitely feel more confident with SQL after finishing this course.
автор: Ashley A M•
Jun 08, 2019
Great introductory to the SQL programming. This will definitely not only add another programming skill but also give me more capabilities programming in SAS. I would recommend this to anyone.
автор: Mohamed A•
Sep 29, 2019
The Course was quiet good & descriptive, yet it didn't cover a lot of SQL such as how to use its platforms and how to connect to database, also, the differences between other platforms.
автор: Gary L•
May 03, 2018
This was an amazing course. I learned so much practical and application skills from the course. The lectures are great, as our the assignments and tests.
Thank you for a great time!
автор: Tanmay C•
Jul 01, 2020
Great course with lots of things to learn about SQL. Assignments were pretty challenging and the instructor explained the concepts nicely. A fantastic course to start with SQL.
автор: Victoria T•
Sep 16, 2019
Sadie St. Lawrence is a completely motivating person. Thank you, Sadie, for such an excellent combination of professional teaching and interesting tasks. Well-balanced course
автор: Maxine L•
Dec 23, 2018
Very clear and useful class! The outline of each module is easy to understand and follow, and the assignment is helpful to strengthen SQL skills.
автор: DIVYA M•
Jul 01, 2020
Even though i have learned SQL from many sources but this is a complete package, felt completed after completing this course.
автор: Richard C J I•
Sep 29, 2019
I loved this class. It was the perfect introduction to SQL coding. It was easy to follow and I learned a ton. -Rick
автор: Megan H•
Dec 21, 2018
So helpful! Really helped me learn SQL on a level that I am confident enough to add it to my resume.
автор: Manish R•
Nov 30, 2018
Good course. The peer assignments was a bit challenging hence most interesting as well.
автор: UDHAYA P V•
Apr 22, 2020
Comparing to other stuffs, this is really brilliant
автор: hridaya s•
Jul 01, 2020
Very nicely communicated
Jan 24, 2019
i want my money back
автор: Sandipan C•
Nov 11, 2019
The course was pretty good for a beginner. The instructor was very clear and explained all the concepts in a very easy to grasp manner. However, the entire course could do with more coding exercises. Concepts such as joins, group, etc could be better understood if there were more exercises. Also, during the coding exercise (at the end of the week) it would be really helpful if correct answer and an explanation would have been provided. Having said that, its really good for beginners and I would and have recommended this to others.
автор: Chloe W•
Oct 31, 2018
=) Very clear walkthrough of important concepts in SQL and why use certain functions for certain tasks.
=( Wish there were more practice questions so it's more interative.
=( Also it would be great if there are more "real-life" SQL practices that involve solving for an actual question that you might encounter as a data scientist working for a tech company.
Thanks so much for sharing this with us, Sadie!