Learn Asking questions Course Asking questions How to use Metabase's query builder to ask better questions. Lessons in this Course Lesson 1 Create charts with explorable data Using the Action Menu to drill through data. Start this Lesson Lesson 2 Custom expressions in the notebook editor When you should use custom expressions and why you should take advantage of them in Metabase's notebook editor. Start this Lesson Lesson 3 Time series comparisons How to do year-over-year or month-over-month comparisons using custom expressions. Start this Lesson Lesson 4 Joins in Metabase How to join tables in Metabase using the notebook editor in simple and custom questions. Start this Lesson Lesson 5 Multi-level aggregation How to ask questions with multiple parts using the query builder. Start this Lesson Lesson 6 Searching your tables and questions Learn how to search within your SQL questions and simple questions using filters and custom expressions. Finding words or phrases in your tables is now easier than ever. Start this Lesson