How To Call a Stored Function with Parameters

Q

How To Call a Stored Function with Parameters? - Oracle DBA FAQ - Creating Your Own PL/SQL Procedures and Functions

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A

You can define a function that takes parameters, provide values to those parameters when calling the function. Here is a good example of a function with a parameter:

SQL> CREATE OR REPLACE FUNCTION GET_DOUBLE(X NUMBER)
  2    RETURN NUMBER AS
  3  BEGIN
  4    RETURN X * 2;
  5  END;
  6  /
Function created.

SQL> SELECT GET_DOUBLE(36) FROM DUAL;
GET_DOUBLE(36)
--------------
            72

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