Hello @adhi_databricks!

To build a solid foundation, these Databricks Academy courses are definitely worth diving into:

• Instructor-led: Apache Spark™ Programming with Databricks
• Self-paced:
  • Introduction to Apache Spark™
  • Developing Applications with Apache Spark™
  • Stream Processing and Analysis with Apache Spark™
  • Monitoring and Optimizing Apache Spark™ Workloads on Databricks

You’ll also find valuable prep materials under the “Getting Ready for the Exam” section on the official Certification page. This section includes topic coverage and sample questions to give you a sense of what to expect.

Wishing you all the very best, you've got this!