Forum Discussion
Does Creating a View table in Warehouse impact Performance when used in Semantic model
- 1 year ago
Hi Sreejisha ,
Creating a view in the Warehouse generally doesn’t have a big performance impact by itself, since views are just saved SQL queries and don’t store data. But the real performance hit can come when those views are used in semantic models, especially if:
- The view includes complex joins or filters
- You're using Direct Lake mode, but the view forces a fallback to DirectQuery
- You're referencing the view multiple times in visuals or measures
If your view is just a simple SELECT * or has light filtering, the impact might be minimal. But once you start layering logic or chaining views, things can slow down—especially at scale.
One workaround folks use is creating composite models or duplicating logic in Power BI instead of relying too much on views. But I get that sometimes views are just more convenient or necessary.
Hope this helps a bit!
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Hi Sreejisha
The warning it self saying DAX queries in your sematic model may fall back to direct query, when you use SQL analytics endpoint items such as views. Fallback into dirtect query means, when the sematic model can't process the query efficently & direct query is not allowed in your report visulas.
So, workaround is refresh the sematic model to avoid issues, If possible use the materlized tables insted of views.
Thank you!
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