Databricks Certified Data Engineer Professional
The Databricks Certified Data Engineering Professional exam validates a candidate's advanced skills in building, optimising, and maintaining production-grade data engineering solutions on the Databricks Data Intelligenc…
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The data engineering team has configured a job to process customer requests to be forgotten (have their data deleted). All user data that needs to be deleted is stored in Delta Lake tables using default table settings. The team has decided to process all deletions from the previous week as a batch…
Because the default data retention threshold is 7 days, data files containing deleted records will be retained until the VACUUM job is run 8 days later.
A table is registered with the following code: Both users and orders are Delta Lake tables. Which statement describes the results of querying recent_orders?
All logic will execute when the table is defined and store the result of joining tables to the DBFS; this stored data will be returned when the table is queried.
An upstream system has been configured to pass the date for a given batch of data to the Databricks Jobs API as a parameter. The notebook to be scheduled will use this parameter to load data with the following code: df = spark.read.format("parquet").load(f"/mnt/source/(date)")Which code block shoul…
dbutils.widgets.text("date", "null")date = dbutils.widgets.get("date")
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