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There is too much packed in one course as a result there is no justice done to any topic. May break this course into at least 2 parts.

Plus the topic of data validation is covered again which should have been covered in the earlier courses.

This course suffered from many more editing errors and weird sound than the others. I also felt like the way it taught SQL was really surface level. Lots of copy-pasting and less problem solving. The links to extra practice were essential.

Could have been better if few topics were not forcefully stretched and make it boring or irritating sometimes. Few things were repeated unnecessarily. Would have been happy if things were made a little interesting. Rest overall was good.

The instructor was skipping functions and was too fast with the lectures making it hard to keep up with. The course opened up with many useful contents to get familiar with SQL and Spreadsheet, but the instructor made it hard to follow.

Compared to the other courses of the specialization so far this was a bit confusing as it suddenly introduces SQL queries or formulas that were never mentioned before. In any case, it still helps you learn a lot of new stuff.

The audio during this course was not as great as the previous courses. There were also many errors throughout the course and also many errors during the final course challenge. It makes learning as a beginner very difficult.

I felt that this was the weakest course in this certificate program so far. A lot of the example code had syntax errors (lack of proofreading perhaps), and some of the code didn't seem to run properly in BigQuery Sandbox.

Easily the most difficult so far. However, this is mostly due to the clarity of the content presented and the order it is presented -not the concepts discussed. Use the included resources and forums to avoid frustration.

Had some technical issues with the videos. It kept bouncing back to the start of the video. I faced difficulties to follow the syntax as the instructors did not explain it clearly and moved to next steps too quickly.

This course is quite challenging especially when instructor too fast in SQL and skip the step. For beginner, I think its hard to follow but if they have determination to finish it, it will give them satisfactions.

Some errors were found in the course. I suggest breaking sections into another week to digest large/hard information in week 4. Also, some content needs further elaboration such as the use of subquery, Temp table.

This was probably the most difficult part of this series certificate course. The content was great but the instructor and approach to describing the content itself was subpar compared to the predeceasing courses.

while i learned a lot, it was struggle to keep up with the instructor. A lot of videos were info dump and i had to do a lot of side reserach to understand what the function is. She was also quite fast

Creo que este curso es central en la certificaci贸n y el contenido no se explora en profundidad, adem谩s est谩 desordenado, empezando con c谩lculos avanzados y hablando de c谩lculos m谩s simples en el medio

I found a couple of questions on the weekly quiz were incorrectly graded.

Also, some of the examples used were not the best - i.e. the wedding gift registry - a real business example should be used.

I thought it was very redundant and didn't really teach new concepts too clearly. It went over the same information multiple times which made it seem as though I wasn't actually learning new skills.

Compared to the other parts of this course this was the least preffered part as it was a bit too quick for a biginner and was not detailed. i took longer to understand what the lecturer was saying.

Some mistakes from the instructor that had to be fixed in prompt.

Some sql clause examples were confusing and were only explained in the later section of the course.

The TV was not even straight...

Instructor spoke too fast, lots of errors, codes were not explained properly. felt like everything was rushed through.

Ask, Prepare, Process modules were explained well. Disappointed with Analyze.

It was way to fast an explanation. Instructor should have gone slow while explaining difficult queries. This was by far the most difficult course purely because of the way instructor taught.

The instructor just wants to rush the course to finish. I do agree she has a sound knowledge of SQL but she was coasting through the course. Wish Sally was the instructor for this module.

I found it a little lacking in technical tools for this matter and much like past courses. I think this is the first course that needs improvement. Make it a bit harder but more useful.

The Videos regading sub queries broke the established speed at which all the courses have been going, was better towards the end of the course, but that section was difficult to follow

Significant amount of material is incorrect, which will waste your time attmpeting to troubleshoot why your code isn't working. Also, there is alot of repetitice spreadsheet content.

Quizzes seem to be not quite closely related to the course materials. A bit confusing and the structure is not rather clear comparing with other courses in the specialisation.