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

Google Cloud feature

Pub/Sub schemas

Topic in 1 exam domain

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Also called: schemas

A feature in Pub/Sub that enforces data formatting structures on messages sent to topics.

Where this appears on the exam

1 subdomain in 1 of 5 domains

Domain 1
Designing data processing systems
~22% of exam
1. 1.2Designing for reliability and fidelity
  - Data validation

How learners score on this topic

Last updated October 23, 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

Google Cloud feature

Pub/Sub schemas

Topic in 1 exam domain

X LinkedIn Facebook Reddit

Also called: schemas

A feature in Pub/Sub that enforces data formatting structures on messages sent to topics.

Where this appears on the exam

1 subdomain in 1 of 5 domains

Domain 1
Designing data processing systems
~22% of exam
1. 1.2Designing for reliability and fidelity
  - Data validation

How learners score on this topic

Last updated October 23, 2026

Where this appears on the exam

Related topics

Components

How learners score on this topic

Where this appears on the exam

Related topics

Components

How learners score on this topic