Basic Oracle Concepts and Programming Question:
How To Call a Stored Function with Parameters?
Answer:
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
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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