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

UDFs

Topic in 2 exam domains

X LinkedIn Facebook Reddit

User-defined functions used within a pipeline to transform message data.

Where this appears on the exam

2 subdomains in 1 of 5 domains

Domain 2
Ingesting and processing the data
~25% of exam
1. 2.2Building the pipelines
  - Transformations
  - Processing logic

How learners score on this topic

Last updated October 24, 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

UDFs

Topic in 2 exam domains

X LinkedIn Facebook Reddit

User-defined functions used within a pipeline to transform message data.

Where this appears on the exam

2 subdomains in 1 of 5 domains

Domain 2
Ingesting and processing the data
~25% of exam
1. 2.2Building the pipelines
  - Transformations
  - Processing logic

How learners score on this topic

Last updated October 24, 2026

Where this appears on the exam

Related topics

Works with

How learners score on this topic

Where this appears on the exam

Related topics

Works with

How learners score on this topic