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

BigQuery slot estimator

Topic in 2 exam domains

Also called: slot estimator

A tool that helps manage and estimate slot capacity requirements based on historical performance metrics.

Where this appears on the exam

1 objective in 1 of 5 domains

Domain 5
Maintaining and automating data workloads
~18% of exam
1. 5.3Organizing workloads based on business requirements
  - Capacity management (e.g., BigQuery Editions and reservations)

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

Google Cloud feature

BigQuery slot estimator

Topic in 2 exam domains

Also called: slot estimator

A tool that helps manage and estimate slot capacity requirements based on historical performance metrics.

Where this appears on the exam

1 objective in 1 of 5 domains

Domain 5
Maintaining and automating data workloads
~18% of exam
1. 5.3Organizing workloads based on business requirements
  - Capacity management (e.g., BigQuery Editions and reservations)

How learners score on this topic

Last updated October 15, 2026