Databricks Related Exams
Databricks-Certified-Data-Engineer-Associate Exam
Identify how the count_if function and the count where x is null can be used
Consider a table random_values with below data.
What would be the output of below query?
select count_if(col > 1) as count_a. count(*) as count_b.count(col1) as count_c from random_values col1
0
1
2
NULL -
2
3
A Delta Live Table pipeline includes two datasets defined using STREAMING LIVE TABLE. Three datasets are defined against Delta Lake table sources using LIVE TABLE.
The table is configured to run in Production mode using the Continuous Pipeline Mode.
Assuming previously unprocessed data exists and all definitions are valid, what is the expected outcome after clicking Start to update the pipeline?
What is the primary function of the Silver layer in the Databricks medallion architecture?