Databricks Certifications Practice Exams
Prepare for Databricks certifications in data analysis, data engineering, machine learning and generative AI. Compare Associate and Professional practice exams, work through exam-style questions and explanations, and choose the preparation that fits your next goal.
Which expression counts every input row, even when customer_id is NULL?
Choose an answer to see why each option does or does not fit.
Explore three original questions about data and AI. Open each one to review the explanation.
1. Which SQL expression counts every input row, even when customer_id is NULL?
A. COUNT(*) — correct. It counts rows regardless of NULL values in individual columns. B. COUNT(customer_id) skips rows where customer_id is NULL. C. SUM(customer_id) adds numeric values rather than counting rows. D. COUNT(DISTINCT customer_id) counts unique, non-NULL values.
2. Which medallion layer usually holds business-ready aggregates?
C. Gold — correct. Gold typically contains curated data shaped for business questions. A. Bronze retains incoming raw data. B. Silver focuses on cleaned and validated data. D. A compute cluster executes workloads; it is not a medallion data layer.
3. What should you use to group and compare related MLflow training runs?
B. An MLflow experiment — correct. It groups runs so you can compare their logged parameters and metrics. A. A SQL warehouse provides compute for SQL workloads. C. A dashboard presents visual insights, but is not MLflow's run-organizing object. D. A storage folder can hold files, but does not by itself create MLflow experiment tracking.
Filter by
Level
Skills
Browse Databricks Practice Exams
Showing 1–15 of 16 results
-
Sale!

Cisco AI Technical Practitioner (AITECH) Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart -
Sale!

Cisco Certified Network Associate (CCNA) Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart -
Sale!

Cisco Certified Support Technician (CCST) Cybersecurity Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart -
Sale!

Cisco Certified Support Technician (CCST) IT Support Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart -
Sale!

Cisco Certified Support Technician (CCST) Networking Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart -
Sale!

Claude Certified Architect – Foundations Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart -
Sale!

Claude Certified Architect – Professional Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart -
Sale!

Claude Certified Developer – Foundations Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart -
Sale!

Databricks Certified Associate Developer for Apache Spark Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart -
Sale!

Databricks Certified Context Engineer Associate Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart -
Sale!

Databricks Certified Data Analyst Associate Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart -
Sale!

Databricks Certified Data Engineer Associate Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart -
Sale!

Databricks Certified Data Engineer Professional Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart -
Sale!

Databricks Certified Generative AI Engineer Associate Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart -
Sale!

Databricks Certified Machine Learning Associate Practice Exam Pack
$30.00Original price was: $30.00.$15.00Current price is: $15.00. Add to cart
Study with ExamsDigest
ExamsDigest is an online certification-preparation platform operated by EdTech International Group. Our Databricks practice products help learners work through exam topics, review answer explanations and continue studying through their online accounts.
Plan your study around the exam guides
Exam objectives help you understand the topics a certification covers. Use them to organize your study, connect practice questions with the relevant knowledge areas and identify subjects that need further reading or practical work.

Official Databricks exam guides
Explore certification-specific objective guides and study topics. Match the guide's exam code to your planned exam before using it as your study checklist.
Browse Databricks Exam Guides →
Frequently Asked Questions About ExamsDigest
Clear information about the platform, practice content, access and official certification exams.
Which Databricks practice exams can I find here?
Which Databricks certification should I start with?
Do I need to pass an Associate exam before a Professional exam?
Do I need SQL or Python experience?
What is included with each practice pack?
Can I get access to more than one practice pack?
Are Databricks fundamentals accreditations the same as certifications?
Can I Request a Refund?
Individual purchases have a 30-day refund window, subject to the published eligibility and usage conditions, including the restriction on completing more than 20% of any included simulator. Membership plans have different conditions. Review the Refund Policy before purchasing.