Oracle - Call a Stored Function in Oracle

Call a Stored Function in Oracle

Q

How To Call a Stored Function in Oracle?

✍: FYIcenter.com

A

A stored function can be called as part of expression in any PL/SQL statement. One simplest way to call a stored function is to a dummy SELECT statement as shown in the following tutorial script using SQL*Plus:

SQL> CREATE OR REPLACE FUNCTION GET_SITE
  2    RETURN VARCHAR2 AS
  3  BEGIN
  4    RETURN 'FYICentere.com';
  5  END;
  6  /
Function created.

SQL> SELECT get_site() FROM dual;

GET_SITE()
---------------------------------
FYICentere.com

DUAL is not a real table or view. It is commonly used to with SELECT statement to evaluate expressions.

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Call a Stored Function in Oracle
How To Call a Stored Function in Oracle? A stored function can be called as part of expression in any PL/SQL statement. One simplest way to call a stored function is to a dummy SELECT statement as shown in the following tutorial script using SQL*Plus: SQL> CREATE OR REPLACE FUNCTION GET_SITE ... 2018-10-26, 666👍, 0💬

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How To Call a Stored Function with Parameters in Oracle? 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 A... 2018-10-26, 604👍, 0💬

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