Tag: internals

All the articles with the tag "internals".

• PBIX Parsing in Your Browser: Introducing PBIX.info

  27 Apr, 2026

  PBIX.info: a browser-based PBIX inspector built on WebAssembly. Local-first parsing, interactive diagrams, and shareable collaboration links.

• How VertiPaq Sorts Rows to Maximize RLE Compression

  21 Apr, 2026

  How VertiPaq appears to use a greedy row-reordering algorithm to maximise RLE compression across all columns in a segment.

• Reconstructing Column Data from .idf and .idfmeta

  14 Apr, 2026

  How VertiPaq stores column segments in .idf and .idfmeta files, and how those files combine to reconstruct imported table data from a PBIX file.

• VertiPaq Dictionaries and Hash Indexes

  7 Apr, 2026

  How VertiPaq stores dictionaries and hash indexes inside a PBIX file, and how those structures help turn internal IDs back into readable values.

• The DataModel: Power BI's Embedded Analysis Services Engine

  27 Jan, 2026

  Power BI embeds a full Analysis Services Vertipaq engine inside every PBIX file. This article explains how the DataModel stream works and what it contains.

• Inside the PBIX ZIP Archive

  20 Jan, 2026

  A PBIX file is a ZIP archive. Here's a map of every entry inside it — what each file does and how they relate to one another.

• What Is a PBIX File?

  13 Jan, 2026

  An introduction to the .pbix file format — what it contains, how Power BI uses it, and why its internals matter for developers and data engineers.