NVL

The NVL function replaces a NA value with a string.

To evaluate a specified expression and replace a non-NA value with one value and a NA value with another, use NVL2.

Return Value

The specified replacement value when the value of the base expression is NA, or the base expression when the value of the base expression is not NA. The data type of the return value is always the same as the data type of the base expression.

Syntax

NVL (exp , replacement-exp)

Arguments

expr

The expression that you want to replace when it has a NA value.

replacement-exp

The value with which you want to replace a NA value.