# DBX Data Engineer Exam Prep — Delta Lake & PySpark Tests

> Delta Lake & PySpark Tests (iPhone/iPad app by Davy Raitt.)

- Source: https://appshunter.io/ios/app/dbx-data-engineer-exam-prep/id6758736181 (this page in markdown: same URL + `.md`)
- Developer: [Davy Raitt](https://appshunter.io/developer/1795318281)
- Category: Education, Productivity
- Price: Free (on sale, was $12.99)
- Age rating: 4+
- Requires: iOS 15.0 · 27 MB
- Languages: American English
- Released: 2026-02-06
- Data updated: 2026-10-01
- User reviews in markdown: https://appshunter.io/ios/app/dbx-data-engineer-exam-prep/id6758736181/reviews.md

## What is DBX Data Engineer Exam Prep?

PASS YOUR DATABRICKS CERTIFIED DATA ENGINEER ASSOCIATE EXAM
Master the Databricks Lakehouse Platform with 500+ expert-crafted practice questions designed to help you pass on your first attempt.
500+ practice questions
5-minute study sessions
Track your progress
Remove mastered questions
Text-to-speech support
Dark mode available

WHY GET CERTIFIED?
Databricks-certified Data Engineers earn up to $165K annually (Skillsoft 2024). Join elite professionals building next-generation data platforms at companies like Shell, Comcast, and H&M.

WHAT YOU'LL MASTER:
• Delta Lake architecture with ACID transactions and time travel
• Lakeflow Declarative Pipelines for automated data workflows
• Unity Catalog for centralized data governance and security
• Auto Loader for incremental file ingestion with schema inference
• Medallion Architecture implementing bronze, silver, and gold layers
• PySpark DataFrames with transformations and optimizations
• Structured Streaming for real-time data processing
• Databricks Asset Bundles for CI/CD deployment
• Delta Sharing for secure data sharing across organizations
• Lakehouse Federation querying external data sources
• SQL Warehouses configuration and performance tuning
• Liquid Clustering for optimized data layout
• COPY INTO command for efficient batch ingestion
• Cluster management including policies and autoscaling
• Data governance implementing row-level and column-level security

STUDY ANYWHERE:
Coffee breaks. Commutes. Lunch hours. Turn dead time into data engineering expertise.
Download now. Pass your exam. Master the Databricks Lakehouse Platform.


## Version history (last 4 releases)

### 5.0.1 — 2026-09-28

Bug fixes and performance improvements

### 5.0.0 — 2026-09-26

Bug fixes and performance improvements

### 3.0.0 — 2026-04-17

New: Review missed questions after each quiz. Improved quiz experience with radio buttons for single-answer questions. Added exit button during quizzes. Better score display. Stability improvements.

### 2.1.0 — 2026-02-06

No release notes.

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All apps by Davy Raitt: https://appshunter.io/developer/1795318281

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-01.*