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What is difference between function and procedure?
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Answer Posted / sardar tariq
A FUNCTION is always returns a value using the return statement.
A PROCEDURE may return one or more values through parameters or may not return at all.
-Function is mainly used in the case where it must return a value. Where as a procedure may or may not return a value or may return more than one value using the OUT parameter.
-Function can be called from SQL statements where as procedure can not be called from the sql statements.
-Functions are normally used for computations where as procedures are normally used for executing business logic.
-You can have DML (insert,update, delete) statements in a function. But, you cannot call such a function in a SQL query.
-nction returns 1 value only. Procedure can return multiple values (max 1024)
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