Is a combination of symbols and operators that the [!INCLUDEssDEnoversion] evaluates to obtain a single data value. Simple expressions can be a single constant, variable, column, or scalar function.

|{ *binary_operator* }|Is an operator that defines the way two expressions are combined to yield a single result. *binary_operator* can be an arithmetic operator, the assignment operator (=), a ...

I used to know how to do this but have forgotten. How do I set a variable to an item returned by a query using TSQL (SQL Server). I have delcared my @variable and need to set it to an item returned by ...