sql - What are the NVL and the NVL2 functions in Oracle? How do …
Apr 29, 2016 · Both the NVL (exp1, exp2) and NVL2 (exp1, exp2, exp3) functions check the value exp1 to see if it is null. With the NVL (exp1, exp2) function, if exp1 is not null, then the value of …
Oracle Differences between NVL and Coalesce - Stack Overflow
Jun 4, 2009 · Are there non obvious differences between NVL and Coalesce in Oracle? The obvious differences are that coalesce will return the first non null item in its parameter list …
Qual a diferença entre COALESCE e NVL - Stack Overflow em …
A função NVL é específica do Oracle e só aceita duas expressões como entrada. Se a primeira expressão for nula, a função retornará a segunda expressão. Caso contrário, será retornada a …
sql - Sum columns with null values in oracle - Stack Overflow
Feb 25, 2015 · NVL (value, default) is the function you are looking for. select type, craft, sum(NVL(regular, 0) + NVL(overtime, 0) ) as total_hours from hours_t group by type, craft …
Using NVL for multiple columns - Oracle SQL - Stack Overflow
Jul 1, 2014 · Good morning my beloved sql wizards and sorcerers, I am wanting to substitute on 3 columns of data across 3 tables. Currently I am using the NVL function, however that is …
sql - Oracle NVL with empty string - Stack Overflow
Oracle NVL with empty string Asked 11 years ago Modified 8 years, 4 months ago Viewed 52k times
How to use NVL in PL/SQL for Date columns? - Stack Overflow
Nov 10, 2020 · How to use NVL in PL/SQL for Date columns? Asked 4 years, 11 months ago Modified 4 years, 11 months ago Viewed 6k times
SQL nvl equivalent - without if/case statements & isnull & coalesce
Jan 19, 2009 · Are there any nvl() equivalent functions in SQL? Or something close enough to be used in the same way in certain scenarios? UPDATE: no if statementsno case statementsno …
sql - How to use NVL in where clause - Stack Overflow
Apr 14, 2016 · How to use NVL in where clause Asked 9 years, 6 months ago Modified 9 years, 6 months ago Viewed 32k times
oracle database - Select statement inside NVL - Stack Overflow
NVL () requires 2 parameters: expression to test and default value e.g. nvl (some_field, 111). You just need to isolate query parameter by braces and provide second parameter like in this …