sql - What are the NVL and the NVL2 functions in Oracle? How do …
Apr 29, 2016 · Nvl(arg1,arg2) nvl is used for converting null values. In nvl if argument 1 is null then it returns argument 2 but argument 1 is not null it returns itself. In nvl2 (arg1,arg2,arg3) in …
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 …
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
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 …
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 …