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Oracle Functions

Calling Functions


There are a few ways to use functions.

Calling a function with an assignment statement

DECLARE
 x NUMBER := functionName(); --functions can be called in declaration section
BEGIN
 x := functionName();
END;

Calling a function in IF statement

IF functionName() = 100 THEN
 NULL;
END IF;

Calling a function in a SELECT statement

SELECT functionName() FROM DUAL;


Conclusion

In this page (written and validated by ) you learned about Oracle Functions . What's Next? If you are interested in completing Oracle tutorial, your next topic will be learning about: Oracle Statistical functions.



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