MP4 | Video: h264, 1920x1080 | Audio: AAC, 44.1 KHz, 2 ChDifficulty: Intermediate | Genre: eLearning | Language: English + srt | Duration: 9 Lectures (47m) | Size: 690.5 MB
In Optimizing a Power BI Data Model we start by investigating the underlying structure and operation of Power BI's VertiPaq database ee.
Armed with this knowledge, we investigate various strats for optimizing performance. Not to give the game away, most of the strats involve reducing the size of the data model and loading pre-summarized data. We also look at tools within Power BI and Power Query Editor for analyzing report and query performance as well as internal error tracking and diagnosis.
Remove unnecessary rows and tailor data sets for report audiences
Change data types to improve storage and split columns into multiple columns to reduce the overall number of unique values
Remove redundant or duplicate data and replace columns with measures where possible
Use Performance Analyzer to highlight report bottlenecks
Create aggregations for imported and direct query data models
Configure and use Power BI's and Power Query's diagnostic tools
This course is intended for anyone who wants to improve the speed and responsiveness of their reports by improving the underlying data model.
We would highly recommend taking the Developing a Power BI Data Model and Using DAX to Build Measures in Power BI courses first, as they go into depth about how to implement several of the topics discussed in this course.
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