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26 kwi 2024 · Syntax for Transact-SQL inline table-valued functions. CREATE [ OR ALTER ] FUNCTION [ schema_name. ] function_name ( [ { @parameter_name [ AS ] [ type_schema_name. ] parameter_data_type [ NULL ] [ = default ] [ READONLY ] } [ , ...n ] ] ) RETURNS TABLE [ WITH <function_option> [ , ...n ] ] [ AS ] RETURN [ ( ] select_stmt [ ) ] [ ; ]
Learn how to use built-in functions in SQL Server for string, numeric, date, conversion, and advanced operations. See the function description, syntax, and examples for each function.
Learn how to create and drop functions in SQL Server (Transact-SQL) with syntax and examples. In SQL Server, a function is a stored program that you can pass parameters into and return a value.
25 lut 2020 · User-defined functions are objects that can perform calculations or operations on input parameters and return values or tables. Learn how to create, alter and drop user-defined functions in SQL Server with syntax examples and queries.
To create a function in SQL Server with T-SQL uses the following syntax: CREATE OR ALTER FUNCTION function_name(parameters) . RETURNS data_type AS. . BEGIN. . SQL_statements. . RETURN return_value. . END . . GO . . The function_name is the name of the function in the above syntax.
29 lip 2024 · Like functions in programming languages, SQL Server user-defined functions are routines that accept parameters, perform an action, such as a complex calculation, and return the result of that action as a value. The return value can either be a single scalar value or a result set.
