Language Elements (Transact-SQL)

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 Server supports the following language elements.

In This Section

-- (Comment) (Transact-SQL)

Slash Star (Block Comment) (Transact-SQL)

CREATE DIAGNOSTICS SESSION (Transact-SQL)

NULL and UNKNOWN (Transact-SQL)

Transactions (Azure Synapse Analytics)

USE (Transact-SQL)