Fabric SQL Database is an Azure SQL Database hosted within a Fabric workspace. It is a completely different engine from Fabric Warehouse and does NOT share the Warehouse's restrictions.
Key Differences from Fabric Warehouse
Feature
Fabric Warehouse
Fabric SQL Database
Engine
Distributed Synapse DW
Azure SQL Database
nvarchar, datetime, money
Not supported
Fully supported
Triggers
Not supported
Fully supported
MERGE
Preview only
Fully supported
ALTER COLUMN
Not supported
Fully supported
Recursive CTEs
Not supported
Fully supported
FOR XML
Not supported
Fully supported
Transaction isolation levels
Snapshot only
All levels
CREATE USER
Not supported
Fully supported
Temporal tables
Not supported
Fully supported
Full-text search
Not supported
Fully supported
Fabric-Specific Context
Authentication: Entra ID only — SQL auth is not supported in Fabric
Token audience: https://database.windows.net/.default (same as Warehouse)
OneLake replication: Tables automatically replicate to OneLake as Delta/Parquet
SQL projects: Uses standard .sqlproj format for schema-as-code
Do NOT apply Warehouse T-SQL restrictions to Fabric SQL Database code
Run npx skillmds@latest add tomevault-io/wardawgmalvicious-claude-config-fabric-database in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.
Fabric SQL Database It is listed under Data & Analytics on SkillMD.
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tomevault-io (@tomevault-io) published this skill. Their other Agent Skills are listed on their SkillMD profile.