User-Defined Functions [!INCLUDE SQL Server SQL Database] Like functions in programming languages, [!INCLUDE ssNoVersion] user-defined functions are routines that accept parameters, perform an action, ...

-- region and nation. Take a look at the code below, but don’t run it. CREATE OR REPLACE FUNCTION get_customers_by_nation_region ( region_nation varchar ) RETURNS TABLE (customer_id number, first_name ...

With the continuous evolution of database technology, numerous databases and query analysis engines have begun to incorporate user-defined functions into SQL. These functions enable users to express ...