The CREATE FUNCTION statement creates or replaces a standalone function or a call specification.

Similar to a procedure, a PL/SQL function is a reusable program unit stored as a schema object in the Oracle Database. The following illustrates the syntax for creating a function: CREATE [OR REPLACE] FUNCTION function_name (parameter_list) RETURN return_type IS [declarative section] BEGIN [executable section] [EXCEPTION] [exception-handling ...

Use the CREATE FUNCTION statement to create a standalone stored function or a call specification. A stored function (also called a user function or user-defined function) is a set of PL/SQL statements you can call by name.

Aug 30, 2017 · This article will help you to understand how to create a user defined function. It’s also known as stored function or user function. User defined functions are similar to procedures.

The syntax to create a function in Oracle is: CREATE [OR REPLACE] FUNCTION function_name [ (parameter [,parameter]) ] RETURN return_datatype IS | AS [declaration_section] BEGIN executable_section [EXCEPTION exception_section] END [function_name];

Jun 15, 2024 · To create a procedure in PL/SQL, use the CREATE FUNCTION statement. The syntax to create a function in PL/SQL is given below: (parameter_name type [, …]) In this example, we create a PL/SQL function to calculate factorial of a number. To call a function, specify the function name and any required parameters.

Syntax: To create or replace a function. Syntax: To drop a function. Example 1: Creating a simple function and calling it later. (a in number, b in number) RETURN number . Output: Function created. Calling the Function: c number (2); . c := subtractor (10, 5); . dbms_output. put_line('Subtraction is: ' || c); . Output:

You create new functions with the CREATE FUNCTION statement, which may declare a list of parameters and must define the actions to be performed by the standard PL/SQL block. Functions and procedures are structured alike.

Nov 10, 2024 · In this tutorial, we will learn how to create a function in Oracle using the CREATE FUNCTION statement. We will also explore the syntax and features of the create function statement, as well as provide examples using the JustLee book database.

Jun 28, 2024 · In this tutorial, you are going to see the detailed description on how to create and execute the named blocks (procedures and functions). Procedures and Functions are the subprograms which can be created and saved in the database as database objects. They can be called or referred inside the other blocks also.