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Access to this page requires authorization. You can try changing directories.
Applies to: 
SQL Server
Azure SQL Database
Azure SQL Managed Instance
Azure Synapse Analytics
Analytics Platform System (PDW)
SQL analytics endpoint in Microsoft Fabric
Warehouse in Microsoft Fabric
SQL database in Microsoft Fabric
SQL Server supports the following language elements.
In This Section
Slash Star (Block Comment) (Transact-SQL)
CREATE DIAGNOSTICS SESSION (Transact-SQL)
NULL and UNKNOWN (Transact-SQL)