Tutorials
Part 1: Introduction to let expressions
Part 3: Using and writing Functions
Part 8: Time:
date
, time
, datetime
, datetimezone
and duration
Part 11-13: Tables
Part 15: Error handling
Part 16: Power Query
primative
typesPart 17:
Facets
Part 18: Custom types
Chris Webb’s blog: Crossjoin.co.uk
Another high quality resource.
Web.Content
‘s Query
and RelativePath
parametersWeb.Contents()
refresh errors all the way back in 2016!Documentation
- Power BI docs: top level
- Power Query: top level
- Power Query Functions: top level reference
- Power Query Language Specification
Tools
VS Code extension: Power Query
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advanced editor
check this out.It supports autocomplete Tool tips display optional parameters.
VS Code extension: Power Query uses PowerQuery-Parser and PowerQuery-Formatter
Query Diagnostics
Query Diagnostics in Power BI
Tips
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copy -> paste
multiple queries into a new Power BI Report (notice it included a required referenced query ListAsText
even though I didn’t select it.
copy -> paste
multiple queries into at text editor