Variables (Transact-SQL) - SQL Server | Microsoft Docs
May 27, 2022 · The names of some Transact-SQL system functions begin with two at signs (@@). Although in earlier versions of SQL Server, the @@functions are referred to as global variables, @@functions aren't variables, and they don't have the same behaviors as variables. The @@functions are system functions, and their syntax usage follows the rules for ...
DA: 12 PA: 77 MOZ Rank: 100