Looker

1. What is Looker

   Looker platform overview and its modeling layer approach.

2. What is LookML

   The LookML modeling language and project structure.

3. LookML Terms and Concepts

   Models, views, explores, dimensions, measures and joins.

4. Derived Tables

   Native and SQL derived tables and persistent derived tables.

5. Exploring Data

   Using Explores to build queries.

6. Dashboards and Looks

   Building dashboards, Looks and scheduling.

7. Caching and Datagroups

   Query caching and PDT rebuild triggers.

8. Access Control

   Roles, permission sets, model sets and user attributes.

9. Version Control

   Git integration and project development workflow.

10. Looker API

    The REST API and SDKs.

11. Database Connections

    Connecting Looker to databases.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

Source: endoflife.date