Oracle convert null to 0

Show 3 more comments. Joseph Joseph Note that, while more efficient, isnull only accepts 1 input vs any amount for coalesce , and isnull is proprietary to T-SQL thus, not portable. See my answer below. Paul Paul 61 1 1 silver badge 1 1 bronze badge. Of course this prevents you from getting more than one value at a time from the Inventory table. Edit: Looks like everyone else beat me to it haha Found the answer. In this case my function returns a null value so I needed specify a 0 to be returned instead.

The easiest way to do this is just to add zero to your result. James A Mohler Garry Owen Garry Owen 1. This might work if the topic starter has a PHP code to interpret the results, but if the question is limited to SQL, this won't do as an answer. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.

The Overflow Blog. Bobby Bobby 2, 3 3 gold badges 17 17 silver badges 35 35 bronze badges. Bad Wolf Bad Wolf 7, 4 4 gold badges 32 32 silver badges 43 43 bronze badges. Good Luck! Krishna Chavali Krishna Chavali 11 2 2 bronze badges.

Chameleon Chameleon 2 2 silver badges 8 8 bronze badges. Donald Duck 7, 19 19 gold badges 67 67 silver badges 87 87 bronze badges. Chandan Kumar Chandan Kumar 1 1 1 bronze badge. Sign up or log in Sign up using Google. Sign up using Facebook. Sign up using Email and Password. Post as a guest Name. Email Required, but never shown.

The Overflow Blog. Stack Gives Back Safety in numbers: crowdsourcing data on nefarious IP addresses. Featured on Meta. New post summary designs on greatest hits now, everywhere else eventually.

Linked 0. The result of converting a value that has the DATE-only data type to a value with any numeric data type is the sequence number that represents the date the sequence number 1 represents January 1, The result is the DATE-only whose sequence number matches the specified number January 1, is represented by the sequence number 1 ; or NA, when the result is outside the range of valid dates.

Valid dates range from January 1, sequence number 1 to December 31, sequence number 2,, This behavior reflects the fact that the values of a relation are dimension values, not TEXT values. The result is the value in the specified data type; or NA when the value is outside the range of valid values for the target data type.

String-to-Datetime Conversion Rules. You can omit punctuation included in the format string from the datetime string if all the digits of the numeric format elements, including leading zeros, are specified. When a match fails between a datetime format element and the corresponding characters in the date string, then Oracle attempts alternative format elements, as shown in Table , "Oracle Format Matching".

Table Oracle Format Matching. In both cases, you get a result of Return Value The return value depends on the value of the type argument. Parameters expression The expression or variable to be converted. For all other data types, the result is 4 bytes long. PACKED Converts a number to a decimal value and then to packed format -- a text value 8 bytes long containing 15 digits and a plus or minus sign.

Converting DATE-only Values to Numeric Values The result of converting a value that has the DATE-only data type to a value with any numeric data type is the sequence number that represents the date the sequence number 1 represents January 1, Converting Values From One Numeric Data Type to Another The result is the value in the specified data type; or NA when the value is outside the range of valid values for the target data type.

String-to-Datetime Conversion Rules The following formatting rules apply when converting string values to datetime values: You can omit punctuation included in the format string from the datetime string if all the digits of the numeric format elements, including leading zeros, are specified. You can omit time fields found at the end of a format string from the datetime string.