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Date: 2025-11-24 06:58:40
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I recently started working in Microsoft fabric platform and also this is my first time i started writing on Stackoverflow , I am going through this situation so i would love to share my approach to solve this.

If anyone coming across this comment i am sharing a link which will help you with Rls most efficiently( freshers friendly)

https://learn.microsoft.com/en-us/fabric/data-warehouse/tutorial-row-level-security

  1. Create a Security Schema

  2. Create a UserAccess Table or use AD, etc.

  3. Create a function based on your UserAccess table which checks username()/context to validate user

CREATE FUNCTION Security.tvf_securitypredicateOwner(@UserAccess AS VARCHAR(256))
    RETURNS TABLE
WITH SCHEMABINDING
AS
    RETURN SELECT 1 AS tvf_securitypredicate_result FROM [Security].UserAccess
        WHERE IS_MEMBER(Name) = 1
        AND Name = @USER

Create a Security policy

CREATE SECURITY POLICY MyTableFilter
ADD FILTER PREDICATE Security.tvf_securitypredicateOwner([User])
ON dbo.MyFacttable
WITH (STATE = ON);
GO

This is the most efficient and easy way to implement rls . One can make it more dynamic by implementing more efficient functions for multiple tables

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Posted by: Shivam Yadav