NVL function helps you convert a null to an actual value. Syntax:-NVL (expr1, expr2) In the syntax: expr1 is the source value or expression that may contain a null expr2 is the target value for ...

feature oracle wontfix / out of scopesomething we decided we aren't doing, for whatever reasonsomething we decided we aren't doing, for whatever reason When coalesce() is called with only 2 arguments ...

在本文中，我们将讨论一些强大的 SQL 通用函数，它们是——NVL 函数、NVL2 函数、DECODE 函数、聚结函数、NULLIF 函数、LNNVL ...