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

join

Topic in 1 exam domain

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join · Concept
JOIN · Concept
JOIN · Feature

Also called: joins

A LookML declaration establishing a relationship between an Explore and one or more views, or between views.

Where this appears on the exam

1 subdomain in 1 of 5 domains

Domain 3
Storing the data
~20% of exam
1. 3.2Planning for using a data warehouse
  - Designing the data model

How learners score on this topic

Last updated November 2, 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

join

Topic in 1 exam domain

X LinkedIn Facebook Reddit

join · Concept
JOIN · Concept
JOIN · Feature

Also called: joins

A LookML declaration establishing a relationship between an Explore and one or more views, or between views.

Where this appears on the exam

1 subdomain in 1 of 5 domains

Domain 3
Storing the data
~20% of exam
1. 3.2Planning for using a data warehouse
  - Designing the data model

How learners score on this topic

Last updated November 2, 2026

Where this appears on the exam

Related topics

Configured by

Works with

Alternatives

Components

Used by

How learners score on this topic

Where this appears on the exam

Related topics

Configured by

Works with

Alternatives

Components

Used by

How learners score on this topic