Hey there,
Happy to shed some light here. DBU's are charged based on uptime of the compute.
So for example, in question 1, if you start a small Serverless SQL Warehouse, you will only be charged for the uptime. If you leave the cluster on for 30 minu...
Currently, apps can only be accessed by users in the workspace where it is deployed.
One workaround solution, depending on the amount of external users you want to grant access to, would be the following:
Create a new workspace.Add external users to...
In section 2 of the exam guide, there are a number of topics mentioned pertaining to ETL with Apache Spark. It's safe to assume that most of these will be asked with pyspark syntax, so you can focus on the specific areas in that section.
You can use the system table for this, system.query.history, which is now in public preview: https://docs.databricks.com/aws/en/admin/system-tables/query-history
It contains the full query history for warehouses, including status, executer, query tex...
You should review & practice common pyspark syntax around ingestion and transformation. Additionally, you should review practice exams and questions. You can find some on Udemy, or use this online resource someone has created that has a number of pra...
