function returning null in oracle

I was wondering if it was possible to sum the values in a colum with one of...

I was wondering if it was possible to sum the values in a colum with one of the values being a null and actually return an integer.

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I try to handle NULL with IS NULL in side the Function. But I some how retu...

I try to handle NULL with IS NULL in side the Function. But I some how return codes - how so very 's - I really wish you would not do that.

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Also, I notice that your original function returns VARCHAR where title is N...

Also, I notice that your original function returns VARCHAR where title is Not sure off hand if the conversion is done implicitly by Oracle, but.

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Returning a null still counts as returning a value. However selecting no ro...

Returning a null still counts as returning a value. However selecting no rows raises an error. Possibly you are trapping it with an EXCEPTION.

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If you call a function from SQL and the function raises a NO_DATA_FOUND, yo...

If you call a function from SQL and the function raises a NO_DATA_FOUND, you get a NULL. The SQLCODE from a NO_DATA_FOUND is.

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Your problem is caused by a, sometimes, annoying quirk of Oracle. create or...

Your problem is caused by a, sometimes, annoying quirk of Oracle. create or replace function tmp_ben_fn (PId number) return char is.

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Your function will return 0 when it finds no rows that match your predicate...

Your function will return 0 when it finds no rows that match your predicates in the function. And because you use the function in the select-section of a.

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Action: Rewrite PL/SQL function, making sure that it always returns a 12 WH...

Action: Rewrite PL/SQL function, making sure that it always returns a 12 WHEN OTHERS THEN 13 NULL; 14 END; 15 / Function created.

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exception when TOO_MANY_ROWS then return 'Error bla bla '; -- do ...

exception when TOO_MANY_ROWS then return 'Error bla bla '; -- do something meaningful here when NO_DATA_FOUND then return null;.

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The NVL function allows you to replace null values with a default value. If...

The NVL function allows you to replace null values with a default value. If the value in the first parameter is null, the function returns the value in the second.

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One of the most mindboggling values in the Oracle database is the NULL valu...

One of the most mindboggling values in the Oracle database is the NULL value. The coalesce function returns the first non-NULL value of the.

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Synopsis A Boolean function should return only TRUE or FALSE. If a Boolean ...

Synopsis A Boolean function should return only TRUE or FALSE. If a Boolean function returns a NULL, how should the user of - Selection from Oracle PL/SQL.

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return Nothing in Oracle function - Hi, I am writing a function which is 0 ...

return Nothing in Oracle function - Hi, I am writing a function which is 0 (zero) or higher) and it can not return NULL (see the documentation).

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The Oracle / PLSQL NVL function lets you substitute a value when a null Thi...

The Oracle / PLSQL NVL function lets you substitute a value when a null This SQL statement would return 0 if the commission field contained a null value.

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Sometimes, when writing a query, you don't want to return a NULL value...

Sometimes, when writing a query, you don't want to return a NULL value. In Oracle the syntax is similar but the function is the more obscurely.

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