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Question: What is function overloading?an example of function overloading in oracle?

Answer: Function overloading--The function is said to be overloaded when same name is given to different function.



Category Oracle Interview Questions & Answers - Exam Mode / Learning Mode
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Question: What is function overloading?an example of function overloading in oracle?
Answer:

Function overloading--The function is said to be overloaded when same name is given to different function. Source: CoolInterview.com

Answered by: Ankit Rawat | Date: 8/26/2009 | Contact Ankit Rawat Contact Ankit Rawat

One function with different paramaeters. Oracle will internally know which function to call depending on the parameter type.

PROCEDURE insby (namein VARCHAR2) IS
x PLS_INTEGER;
BEGIN
SELECT MAX(seqno)+1
INTO x
FROM persons;

INSERT INTO persons
(seqno, name)
VALUES
(x, namein);
COMMIT;
END insby;
--==========================================
PROCEDURE insby (numbin PLS_INTEGER) IS
x VARCHAR2(30);
BEGIN
SELECT MAX(name)
INTO x
FROM persons;

local(x, x);

INSERT INTO persons
(seqno, name)
VALUES
(numbin, x);
COMMIT;
END insby;
Source: CoolInterview.com

Answered by: Ajendra | Date: 10/2/2009 | Contact Ajendra Contact Ajendra

Answer: The function name which is used more than once but the parameters are different. Source: CoolInterview.com

Answered by: manivannan | Date: 7/17/2010 | Contact manivannan Contact manivannan


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