Even iI have taken the same certification course a few months back and from my experience, I can tell you, Edureka has a specially curated course on Tableau which covers various concepts of data visualization in-depth, including conditional formatting, scripting, linking charts, dashboard integration, Tableau integration with R and more.
They have their YouTube playlist for each and every topic which will be mentioned in your course like given below:
- Data Visualization
- Business Intelligence tools
- Introduction to Tableau
- Tableau Architecture
- Tableau Server Architecture
- Introduction to Tableau Prep
- Tableau Prep Builder User Interface
With adding to this they have 100s of blogs https://www.edureka.co/blog/what-is-tableau/ on Tableau which are presented by highly technical expertise team of Edureka and moreover you won't find any difficulty in the learning process.
Now you might have a question in your mind how?
So, let me tell you about one more ridiculously dedicate team of Edureka, that's their community (https://www.edureka.co/community/ask). The team has Subject Matter experts who are available to solve your technical issues if you face on any technology. Even I used to get technical difficulties but it happened to be quite easy with their help.
In the end, it is your responsibility regarding your dedication to learning and drive to make your hands dirty with practical hands-on experience with the whole course. Lastly, I would say you won't regrate your decision.
I wish you good luck.