SQL Server MIN and MAX Functions with Examples

SQL Server Aggregate Functions 

In database systems in general and in SQL Server in particular, functions are pieces of code that take zero or one input and return a single output or an array.

Table-Valued Functions which are typically user-defined can return an array, but in-built SQL Server functions are typically Scalar-Valued Functions. The third class of functions in SQL Server are Aggregate-Valued Functions. The MIN and MAX SQL Server functions are Aggregate-Valued Functions.

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