Databricks-Certified-Professional-Data-Engineer Exam Dumps : Databricks Certified Data Engineer Professional Exam

The total count of rows is calculated by scanning all data files

The total count of rows will be returned from cached results unless REFRESH is run

The total count of records is calculated from the Delta transaction logs

The total count of records is calculated from the parquet file metadata

The total count of records is calculated from the Hive metastore

All data should be deleted biweekly; Delta Lake's time travel functionality should be leveraged to maintain a history of non-PII information.

Data should be partitioned by the registration field, allowing ACLs and delete statements to be set for the PII directory.

Because the value field is stored as binary data, this information is not considered PII and no special precautions should be taken.

Separate object storage containers should be specified based on the partition field, allowing isolation at the storage level.

Data should be partitioned by the topic field, allowing ACLs and delete statements to leverage partition boundaries.

It is retained until you export or delete job run logs

It is retained for 30 days, during which time you can deliver job run logs to DBFS or S3

t is retained for 60 days, during which you can export notebook run results to HTML

It is retained for 60 days, after which logs are archived

It is retained for 90 days or until the run-id is re-used through custom run configuration