oracle functions return null

Dear Tom, One of my developers asked me a very interesting question today; ...

Dear Tom, One of my developers asked me a very interesting question today; If we have a procedure as such (Please excuse the use of the.

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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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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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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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The Oracle/PLSQL NULLIF function compares expr1 and expr2. If expr1 and exp...

The Oracle/PLSQL NULLIF function compares expr1 and expr2. If expr1 and expr2 are equal, the NULLIF function returns NULL. Otherwise, it returns expr1.

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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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In Oracle PL/SQL, the term RETURN can be used either as a clause or a state...

In Oracle PL/SQL, the term RETURN can be used either as a clause or a statement. It shows different As a clause, RETURN is a mandatory element in a function definition. It defines the data type value of P_EMPNO. It returns if it is NULL.

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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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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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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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In Oracle, NVL(exp1, exp2) function accepts 2 expressions (parameters), and...

In Oracle, NVL(exp1, exp2) function accepts 2 expressions (parameters), and returns the first expression if it is not NULL, otherwise NVL returns the second.

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The MS Access IsNull() function returns TRUE (-1) if the expression is a nu...

The MS Access IsNull() function returns TRUE (-1) if the expression is a null value, otherwise FALSE (0): The Oracle NVL() function achieves the same result.

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Group-value functions in Oracle treat NULL values differently than return N...

Group-value functions in Oracle treat NULL values differently than return NULL if they encounter any NULLs because returning any value can be misleading.

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