We will suggest you create databricks community account and start playing around with it, even you can find the best courses here https://customer-academy.databricks.com/learn/mycourses for your certification.
Please find below resources for this certificationSample Question Papers: https://www.udemy.com/course/databricks-certified-developer-for-apache-spark-30-practice-exams/learn/quiz/5245554/results?expanded=805862972#contentPlease don't forget to test ...
please refer below link for more information:https://www.mssqltips.com/sqlservertip/6499/reading-and-writing-data-in-azure-data-lake-storage-gen-2-with-azure-databricks/
@KVNARK . it seems like your file location is not correct, please try to use ADLS location directly while reading the file in instead of fetching it from the dictionary.
