Faster data loading with improved data model for table extensions

Service and platform: Faster data loading with improved data model for table extensions. Generally available, GA 2026-10 (Microsoft 365 roadmap). With the new data model for table extensions, all fields on an AL table are stored in the same table in the database. This gives faster performance on all database operations that involve table extensions.

Microsoft 365 roadmap 573332 · Service and platform · generally available · roadmap status “Launched”, phase General Availability

What Microsoft says

With the new data model for table extensions, all fields on an AL table are stored in the same table in the database. This gives faster performance on all database operations that involve table extensions.

Dates

General availability: October CY2026 (2026 release wave 2)
Public preview: not given
On the roadmap since 2026-09-30, last changed 2026-09-30

Covered by

Matched by Haiku among videos and Learn pages in the same galaxy system, checked against the roadmap ids and the evidence text. Every link below was reviewed by Opus.

Videos

Creating TableExtensions in BC29 like we’re back in NAV (But Business Central): Table extensions stored in single SQL table at 4:48
Business Central 29.0: Major Change to Table Extensions & SQL.: Unified table storage for extensions at 1:43; Improved database operation performance for extensions at 12:31
What’s new: Server and Database (2026 release wave 2): Optimized table extensions data model - zero-join at 1:57; Table extension performance gains at 2:52

Source: Microsoft 365 roadmap. Status words follow the roadmap.