Professional Data Engineer

Build and operate the data processing systems behind analytics and ML on Google Cloud, including BigQuery, Dataflow, and Pub/Sub, and track your readiness for the Professional Data Engineer exam.

Advanced

Prepare and test your skills

Advanced

Prepare and test your skills

Concept

Dremel

Topic in 2 exam domains

The query execution engine providing a multilevel tree architecture used by BigQuery.

Where this appears on the exam

2 objectives in 1 of 5 domains

Domain 3
Storing the data
~20% of exam
1. 3.1Selecting storage systems
  - Planning for storage costs and performance
2. 3.2Planning for using a data warehouse
  - Designing the data model

How learners score on this topic

Last updated October 15, 2026

Professional Data Engineer

Build and operate the data processing systems behind analytics and ML on Google Cloud, including BigQuery, Dataflow, and Pub/Sub, and track your readiness for the Professional Data Engineer exam.

Advanced

Prepare and test your skills

Advanced

Prepare and test your skills

Concept

Dremel

Topic in 2 exam domains

The query execution engine providing a multilevel tree architecture used by BigQuery.

Where this appears on the exam

2 objectives in 1 of 5 domains

Domain 3
Storing the data
~20% of exam
1. 3.1Selecting storage systems
  - Planning for storage costs and performance
2. 3.2Planning for using a data warehouse
  - Designing the data model

How learners score on this topic

Last updated October 15, 2026