Hello elahe khodaie,
Welcome to the Microsoft Q&A and thank you for posting your questions here.
I understand that you would like to be a Microsoft certified data scientist, and you don't know where and which course to get start.
- Your first course: Microsoft Certified: Azure Data Fundamentals DP - 209
- Second Course: Azure Database Administrator Associate (Optional) DP - 300
- Third course: Microsoft Certified: Azure Data Scientist Associate - DP - 100
Follow the links below for more details:
- Fundament > Associate > Expert > Specialty: https://arch-center.azureedge.net/Credentials/Certification-Poster_en-us.pdf
- https://www.projectpro.io/article/azure-data-scientist/906
I hope this is helpful! Do not hesitate to let me know if you have any other questions or clarifications.
Please don't forget to close up the thread here by upvoting and accept it as an answer if it is helpful.