Databricks Certified Data Engineer Professional
Data Engineer Professional practice questions, dealt by the exam blueprint
Multiple choice, on paper, with no documentation at all. So this drills recognition until it holds, and a full mock of the paper — 59 questions in 120 minutes.
flashkube is a flashcard game for Kubernetes certification. Miss a card and it comes back sooner; answer it well and it rests. That is spaced repetition, and it is the whole engine.
$29once · yours to keep
$29, paid once. Sitting the exam costs $200 — 6 cartridges for the price of one attempt.
see what the cartridge costs — three islands of free water, from wherever you land either way.
Data Engineer Professional · Data Ingestion & Acquisition · 7% of the exam
Ops re-exported three days of corrected order files under the SAME names, but every rerun skips them because they were already loaded once. Which key fills the blank so this backfill reprocesses them?
COPY INTO lakehouse.bronze.orders
FROM '/Volumes/lakehouse/raw/orders'
FILEFORMAT = CSV
PATTERN = '2026-08-1[234].csv'
FORMAT_OPTIONS ('header' = 'true')
COPY_OPTIONS ('____' = 'true')- AmergeSchema
- Boverwrite
- CretryOnFailure
- Dforce
From today's Data Engineer Professional hand · 10 cards, dealt by the blueprint
How many Data Engineer Professional cards are there?
8 islands · 16 landings
280 cards written for Data Engineer Professional, across 8 islands and 16 landings — counted from the cartridge itself, not written into this sentence. Cards are tagged per exam, so this is what a Data Engineer Professional candidate actually gets, not the whole library.
What is on the Data Engineer Professional exam, and how much of each?
official blueprint weights
- Developing Code for Data Processing using Python and SQL22%
- Data Ingestion & Acquisition7%
- Data Transformation, Cleansing, and Quality10%
- Data Sharing and Federation5%
- Monitoring and Alerting10%
- Cost & Performance Optimization13%
- Ensuring Data Security and Compliance10%
- Data Governance7%
- Debugging and Deploying10%
- Data Modeling6%
Your daily hand is sampled against these weights, so the domain worth a quarter of the exam gets a quarter of your practice.
How does the Data Engineer Professional exam run, and what does that change?
59 questions · 120 minutes
Multiple choice, on paper, with no documentation at all.
So the cartridge drills recognition and nothing else: no typing drills, no documentation practice, because the exam has neither.
No lab is needed for a written exam: the whole preparation is what you can recall on the day, and recall is exactly what this drills.
What does Data Engineer Professional prep on flashkube cost?
$29, paid once. Nothing renews and nothing lapses — and every card written after you buy is already yours. Three islands of free water, from wherever you land, and ten Data Engineer Professional questions dealt by the blueprint free, with no account.
