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when is the update to sql server be available to allow vector index with GUID

OnePage 20 Reputation points
2026-03-10T13:17:45.1366667+00:00

Trying to use sql server with Vector indexing for tables with GUID keys. We don't use INT for keys.

When will updatable guid key tables with Vector indexing be available.

Thank you

David

SQL Server Database Engine
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  1. Erland Sommarskog 133.1K Reputation points MVP Volunteer Moderator
    2026-03-10T21:46:11.4533333+00:00

    If you feel that it is important that Vector indexes should support tables with GUID keys, I would recommend that you create a feedback item on https://feedback.azure.com/d365community/forum/04fe6ee0-3b25-ec11-b6e6-000d3a4f0da0 I also recommend that you include your business case, and particularly why not adding an int column to the vector table is not an acceptable workaround.

    As for the tables with vector indexes being writable, I believe that Microsoft are very aware of that this is highly desirable. They are not just there yet.

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  2. Bruce (SqlWork.com) 83,581 Reputation points Volunteer Moderator
    2026-03-10T15:39:54.1933333+00:00

    As the index is used internally to link vectors, a guid would be pretty inefficient, so support is probably a ways off or unlikely.

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