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Question: Difference between procedure and function.

Answer: Functions are named PL/SQL blocks that return a value and can be called with arguments procedure a named block that can be called with parameter. A procedure all is a PL/SQL statement by itself, while a Function call is called as part of an expression.



Category SQL In Oracle Interview Questions & Answers - Exam Mode / Learning Mode
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Question: Difference between procedure and function.
Answer:

Functions are named PL/SQL blocks that return a value and can be called with arguments procedure a named block that can be called with parameter. A procedure all is a PL/SQL statement by itself, while a Function call is called as part of an expression. Source: CoolInterview.com


Function and Procedure both are PL/SQL blocks, main difference between function and procedure is -
Function has to return some value using return clause whereas procedure may or may not return any value( no out parameter).

We can use functions in SQL query but can't use procedure. Source: CoolInterview.com

Answered by: manish | Date: 1/29/2009 | Contact manish Contact manish

The procedure may or may not return the value to the calling environment, however the function must return the value to the calling evironment. Source: CoolInterview.com

Answered by: Sumeet Huddar | Date: 4/24/2009 | Contact Sumeet Huddar Contact Sumeet Huddar

PROCEDURE:it may or may not return a value.
FUNCTION:Should and must return a value. Source: CoolInterview.com

Answered by: nandu | Date: 9/4/2009 | Contact nandu Contact nandu

Procedure may or may not return a value but function must return a value.

Procedure may return multiple or more than 1 value where as fuction always return single value. Source: CoolInterview.com

Answered by: Shaikh Rehana | Date: 2/2/2010 | Contact Shaikh Rehana Contact Shaikh Rehana


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